Shannon, T. A. (1989). Surrogate motherhood: The ethics of using human beings. Crossroad.
芝加哥风格引文Shannon, Thomas A. Surrogate Motherhood: The Ethics of Using Human Beings. New York: Crossroad, 1989.
MLA引文Shannon, Thomas A. Surrogate Motherhood: The Ethics of Using Human Beings. Crossroad, 1989.
警告：这些引文格式不一定是100％准确.
