Hempel, C. J. (1864). A new and comprehensive system of materia medica and therapeutics: Arranged upon a physiologico-pathological basis, for the use of practioners and students of medicine (2d ed.). F.E. Boericke.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hempel, Charles J. A New and Comprehensive System of Materia Medica and Therapeutics: Arranged upon a Physiologico-pathological Basis, for the Use of Practioners and Students of Medicine. 2d ed. Philadelphia: F.E. Boericke, 1864.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hempel, Charles J. A New and Comprehensive System of Materia Medica and Therapeutics: Arranged upon a Physiologico-pathological Basis, for the Use of Practioners and Students of Medicine. 2d ed. F.E. Boericke, 1864.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.