APA (7e ed.) Bronvermelding

Zawacki, A. A. (1971). A textbook for family planning field workers. Community and Family Study Center, University of Chicago.

Chicago (17e ed.) Bronvermelding

Zawacki, April Allison. A Textbook for Family Planning Field Workers. Chicago: Community and Family Study Center, University of Chicago, 1971.

MLA (8e ed.) Bronvermelding

Zawacki, April Allison. A Textbook for Family Planning Field Workers. Community and Family Study Center, University of Chicago, 1971.