Gray, J. (1996). Mars and Venus together forever: Relationship skills for lasting love. HarperPerennial.
芝加哥风格引文Gray, John. Mars and Venus Together Forever: Relationship Skills for Lasting Love. New York: HarperPerennial, 1996.
MLA引文Gray, John. Mars and Venus Together Forever: Relationship Skills for Lasting Love. HarperPerennial, 1996.
警告：这些引文格式不一定是100％准确.