APA
Niswander K. R. e., Evand A., . (1996). Manual of obstetrics. Boston: Little, Bronw.
Chicago
Niswander Kenneth R ed, Evand Arthur, . 1996. Manual of obstetrics. Boston: Little, Bronw.
Harvard
Niswander K. R. e., Evand A., . (1996). Manual of obstetrics. Boston: Little, Bronw.
MLA
Niswander Kenneth R ed, Evand Arthur, . Manual of obstetrics. Boston: Little, Bronw. 1996.