(1987). Barrier contraceptives and spermicides: Their role in family planning care. World Health Organization ; WHO Publications Center USA [distributor].
Цитирование в стиле Чикаго (17-е изд.)Barrier Contraceptives and Spermicides: Their Role in Family Planning Care. Geneva : Albany, NY: World Health Organization ; WHO Publications Center USA [distributor], 1987.
Цитирование MLA (8-е изд.)Barrier Contraceptives and Spermicides: Their Role in Family Planning Care. World Health Organization ; WHO Publications Center USA [distributor], 1987.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.