APA引文

Jekel, J. F. (2001). Epidemiology, biostatistics, and preventive medicine. Philadelphia: Saunders.

Trích dẫn kiểu Chicago

Jekel, James F. Epidemiology, Biostatistics, and Preventive Medicine. Philadelphia: Saunders, 2001.

MLA引文

Jekel, James F. Epidemiology, Biostatistics, and Preventive Medicine. Philadelphia: Saunders, 2001.

警告：這些引文格式不一定是100％准確.