(2007). Anticoncepción hormonal y el VIH. Family Health International.
芝加哥风格引文Anticoncepción Hormonal Y El VIH. Family Health International, 2007.
MLA引文Anticoncepción Hormonal Y El VIH. Family Health International, 2007.
警告：这些引文格式不一定是100％准确.
APA引文