Zimmerman, A. (1978). A reader in natural family planning: Report on international conferences (2. ed.). Family Life Association.
Cita Chicago Style (17a ed.)Zimmerman, Anthony. A Reader in Natural Family Planning: Report on International Conferences. 2. ed. Tokyo: Family Life Association, 1978.
Cita MLA (9a ed.)Zimmerman, Anthony. A Reader in Natural Family Planning: Report on International Conferences. 2. ed. Family Life Association, 1978.
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