Gaya APA

Collins, S., Arulkumaran, S. (2009). Oxford Handbook of Obstetrics and Gynaecology Ed 2 (2). : Oxford Univ..

Gaya MLA

Collins, Sally., Arulkumaran, Sabaratnam. "Oxford Handbook of Obstetrics and Gynaecology Ed 2". 2 : Oxford Univ., 2009. Text.