Zawacki, A. A. (1971). A textbook for family planning field workers. Community and Family Study Center, University of Chicago.
Chicago-viite (17. p.)Zawacki, April Allison. A Textbook for Family Planning Field Workers. Chicago: Community and Family Study Center, University of Chicago, 1971.
MLA-viite (8. p.)Zawacki, April Allison. A Textbook for Family Planning Field Workers. Community and Family Study Center, University of Chicago, 1971.
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