Lorenzo, C. L. (1974). Family planning guide for field workers. UP/IMC-UNESCO-UNFPA Family Planning Communication Project.
Cita Chicago Style (17a ed.)Lorenzo, Conrado Ll. Family Planning Guide for Field Workers. Quezon City: UP/IMC-UNESCO-UNFPA Family Planning Communication Project, 1974.
Cita MLA (9a ed.)Lorenzo, Conrado Ll. Family Planning Guide for Field Workers. UP/IMC-UNESCO-UNFPA Family Planning Communication Project, 1974.
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