Gordis, L. (2000). Epidemiology (Second.). W.B. Saunders.
芝加哥风格引文Gordis, Leon. Epidemiology. Second. New York: W.B. Saunders, 2000.
MLA引文Gordis, Leon. Epidemiology. Second. W.B. Saunders, 2000.
警告:这些引文格式不一定是100%准确.
Gordis, L. (2000). Epidemiology (Second.). W.B. Saunders.
芝加哥风格引文Gordis, Leon. Epidemiology. Second. New York: W.B. Saunders, 2000.
MLA引文Gordis, Leon. Epidemiology. Second. W.B. Saunders, 2000.