APA (7e ed.) Bronvermelding

World Health Organization. (1998). Health workers manual on family planning options (Second.). World Health Organization.

Chicago (17e ed.) Bronvermelding

World Health Organization. Health Workers Manual on Family Planning Options. Second. Geneva: World Health Organization, 1998.

MLA (8e ed.) Bronvermelding

World Health Organization. Health Workers Manual on Family Planning Options. Second. World Health Organization, 1998.