Ludlum, R. (1989). gemini contenders. Bantam Books.
Chicago Edition CitationLudlum, Robert. Gemini Contenders. New York: Bantam Books, 1989.
MLA引文Ludlum, Robert. Gemini Contenders. Bantam Books, 1989.
警告：這些引文格式不一定是100％准確.
APA引文