APA (7e ed.) Bronvermelding

International Society of Ultrasound in Obstetrics and Gynecology. (1991). Ultrasound in obstetrics & gynecology. Parthenon Publishing.

Chicago (17e ed.) Bronvermelding

International Society of Ultrasound in Obstetrics and Gynecology. Ultrasound in Obstetrics & Gynecology. Carnforth, Inglaterra: Parthenon Publishing, 1991.

MLA (8e ed.) Bronvermelding

International Society of Ultrasound in Obstetrics and Gynecology. Ultrasound in Obstetrics & Gynecology. Parthenon Publishing, 1991.

Let op: Deze citaties zijn niet altijd 100% accuraat.