* British Pharmacopoeia 2009<ref name="ib29">{{Webaanhaling|url=http://www.pharmacopoeia.co.uk/pdf/2009_index.pdf}}</ref>
* Japanese Pharmacopoeia 15
<div class="cx-template-editor-source-container" lang="en" dir="ltr" style="display: none;"><div class="cx-template-editor-source"><div class="cx-template-editor-title" title="The template is used to identify claims in articles, particularly if questionable, that need a citation to a reliable source.">Citation needed</div><div class="cx-template-editor-param"><div class="cx-template-editor-param-title"><span id="date" class="cx-template-editor-param-key">Month and year</span><span data-key="date" title="Provides the month and year of the citation request; e.g., 'January 2013', but not 'jan13'" class="cx-template-editor-param-desc"></span></div><div class="cx-template-editor-param-value" data-key="date" style="position: relative;">July 2009</div></div></div></div><div class="cx-template-editor-source-container" lang="en" dir="ltr" style="display: none;"><div class="cx-template-editor-source"><div class="cx-template-editor-title" title="The template is used to identify claims in articles, particularly if questionable, that need a citation to a reliable source.">Citation needed</div><div class="cx-template-editor-param"><div class="cx-template-editor-param-title"><span id="date" class="cx-template-editor-param-key">Month and year</span><span data-key="date" title="Provides the month and year of the citation request; e.g., 'January 2013', but not 'jan13'" class="cx-template-editor-param-desc"></span></div><div class="cx-template-editor-param-value" data-key="date" style="position: relative;">July 2009</div></div></div></div>
