Taffel, S. M., Placek, P. J., & Liss, T. (1987). Trends in the United States cesarean section rate and reasons for the 1980-85 rise.
Chicago Style aipamenaTaffel, S M., P J. Placek, and T. Liss. Trends in the United States Cesarean Section Rate and Reasons for the 1980-85 Rise. 1987.
MLA aipamenaTaffel, S M., P J. Placek, and T. Liss. Trends in the United States Cesarean Section Rate and Reasons for the 1980-85 Rise. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.