McMahon, A. D., & MacDonald, T. M. (2000). Design issues for drug epidemiology. Blackwell Science Inc.
Citação norma ChicagoMcMahon, Alex D., and Tom M. MacDonald. Design Issues for Drug Epidemiology. Blackwell Science Inc, 2000.
MLA引文McMahon, Alex D., and Tom M. MacDonald. Design Issues for Drug Epidemiology. Blackwell Science Inc, 2000.
警告:這些引文格式不一定是100%准確.