Association of Official Analytical Chemists & Horwitz, W. (1970). Official methods of analysis of the Association of Official Analytical Chemists. The Association.
استشهاد بنمط شيكاغوAssociation of Official Analytical Chemists و William Horwitz. Official Methods of Analysis of the Association of Official Analytical Chemists. Washington, DC: The Association, 1970.
MLA استشهادAssociation of Official Analytical Chemists و William Horwitz. Official Methods of Analysis of the Association of Official Analytical Chemists. The Association, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.