APA (7e ed.) Bronvermelding

ebrary, Inc, & Collins, S. (2008). Oxford handbook of obstetrics and gynaecology (2nd ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, en Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford ; New York: Oxford University Press, 2008.

MLA (9e ed.) Bronvermelding

ebrary, Inc, en Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford University Press, 2008.