APA aipamena

Arulkumaran, S., Ledger, W., Denny, L., & Doumouchtsis, S. (2020). Oxford textbook of obstetrics and gynaecology. UK: Oxford university press.

Chicago Style aipamena

Arulkumaran, Sabaratnam, William Ledger, Lynette Denny, và Stergios Doumouchtsis. Oxford Textbook of Obstetrics and Gynaecology. UK: Oxford university press, 2020.

MLA aipamena

Arulkumaran, Sabaratnam, William Ledger, Lynette Denny, và Stergios Doumouchtsis. Oxford Textbook of Obstetrics and Gynaecology. UK: Oxford university press, 2020.