Concepcion, M. B. (1991). Fertility and contraception in the Philippines: Glimpses from the 1986 contraceptive prevalence survey. Population Institute, College of Social Sciences and Philosophy, University of the Philippines.
Цитирование в стиле Чикаго (17-е изд.)Concepcion, Mercedes B. Fertility and Contraception in the Philippines: Glimpses from the 1986 Contraceptive Prevalence Survey. Quezon City: Population Institute, College of Social Sciences and Philosophy, University of the Philippines, 1991.
Цитирование MLA (9-е изд.)Concepcion, Mercedes B. Fertility and Contraception in the Philippines: Glimpses from the 1986 Contraceptive Prevalence Survey. Population Institute, College of Social Sciences and Philosophy, University of the Philippines, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.