Williams, C. J. B., & Clymer, M. (1853). Principles of medicine: Comprising general pathology and therapeutics, and a brief general view of etiology, nosolgy, semeiology, diagnosis, prognosis and hygienics (4th American ed., rev.). Blanchard and Lea.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Charles J. B., و Meredith Clymer. Principles of Medicine: Comprising General Pathology and Therapeutics, and a Brief General View of Etiology, Nosolgy, Semeiology, Diagnosis, Prognosis and Hygienics. 4th American ed., rev. Philadelphia: Blanchard and Lea, 1853.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Williams, Charles J. B., و Meredith Clymer. Principles of Medicine: Comprising General Pathology and Therapeutics, and a Brief General View of Etiology, Nosolgy, Semeiology, Diagnosis, Prognosis and Hygienics. 4th American ed., rev. Blanchard and Lea, 1853.