Zawacki, A. A. (1971). A textbook for family planning field workers. Community and Family Study Center, University of Chicago.
Lua i Stíl Chicago (17ú heag.)Zawacki, April Allison. A Textbook for Family Planning Field Workers. Chicago: Community and Family Study Center, University of Chicago, 1971.
Lua MLA (8ú heag.)Zawacki, April Allison. A Textbook for Family Planning Field Workers. Community and Family Study Center, University of Chicago, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.