(1968). The Merck index of chemicals and drugs: An encyclopedia for chemists, pharmacists, physicians, and members of allied professions. Merck.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The Merck Index of Chemicals and Drugs: An Encyclopedia for Chemists, Pharmacists, Physicians, and Members of Allied Professions. Rahway, NJ: Merck, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The Merck Index of Chemicals and Drugs: An Encyclopedia for Chemists, Pharmacists, Physicians, and Members of Allied Professions. Merck, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.