Top, F. H., & Vaughan, H. F. (1941). Epidemiology of Poliomyelitis in Detroit in 1939.
Citação norma ChicagoTop, Franklin H., and Henry F. Vaughan. Epidemiology of Poliomyelitis in Detroit in 1939. 1941.
MLA引文Top, Franklin H., and Henry F. Vaughan. Epidemiology of Poliomyelitis in Detroit in 1939. 1941.
警告:這些引文格式不一定是100%准確.