Emerson, C. P. (1920). Essentials of medicine: A text-book of medicine for students beginning a medical course, for nurses, and for all others interested in the care of the sick (<4th ed., rev.>.). J.B. Lippincott company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Emerson, Charles Phillips. Essentials of Medicine: A Text-book of Medicine for Students Beginning a Medical Course, for Nurses, and for All Others Interested in the Care of the Sick. <4th ed., rev.>. Philadelphia, London: J.B. Lippincott company, 1920.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Emerson, Charles Phillips. Essentials of Medicine: A Text-book of Medicine for Students Beginning a Medical Course, for Nurses, and for All Others Interested in the Care of the Sick. <4th ed., rev.>. J.B. Lippincott company, 1920.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.