(1987). Barrier contraceptives and spermicides: Their role in family planning care. World Health Organization ; WHO Publications Center USA [distributor].
芝加哥风格引文Barrier Contraceptives and Spermicides: Their Role in Family Planning Care. Geneva : Albany, NY: World Health Organization ; WHO Publications Center USA [distributor], 1987.
MLA引文Barrier Contraceptives and Spermicides: Their Role in Family Planning Care. World Health Organization ; WHO Publications Center USA [distributor], 1987.
警告：这些引文格式不一定是100％准确.