Best Practice & Research: Clinical Obstetrics & Gynaecology. Baillière Tindall.
Čikaški stil citiranja (17. izdanje)Best Practice & Research: Clinical Obstetrics & Gynaecology. Baillière Tindall.
MLA način citiranja (8. izdanje)Best Practice & Research: Clinical Obstetrics & Gynaecology. Baillière Tindall.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.