APA ציטוט

David, F. P., & Suya, P. A. (1990). An evaluation of the effectiveness of the social marketing program for the prevention and control of vitamin A deficiency in Region VI (Western Visayas). Department of Health.

Chicago Style (17th ed.) Citation

David, Fely P., and Perla A. Suya. An Evaluation of the Effectiveness of the Social Marketing Program for the Prevention and Control of Vitamin A Deficiency in Region VI (Western Visayas). Manila: Department of Health, 1990.

ציטוט MLA

David, Fely P., and Perla A. Suya. An Evaluation of the Effectiveness of the Social Marketing Program for the Prevention and Control of Vitamin A Deficiency in Region VI (Western Visayas). Department of Health, 1990.