Cita APA (7th ed.)

Zablan, Z. C. (1985). Institutional report on the qualitative aspects of natural family planning practice among couples of Luzon. The Demographic Research and Development Foundation (DRDF), Inc.

Cita Chicago (17th ed.)

Zablan, Zelda C. Institutional Report on the Qualitative Aspects of Natural Family Planning Practice Among Couples of Luzon. Philippines: The Demographic Research and Development Foundation (DRDF), Inc, 1985.

Cita MLA (9th ed.)

Zablan, Zelda C. Institutional Report on the Qualitative Aspects of Natural Family Planning Practice Among Couples of Luzon. The Demographic Research and Development Foundation (DRDF), Inc, 1985.