Weber, D., & Keating, C. (2011). How firm a foundation. Macmillan Audio.
Chicago Style (17th ed.) CitationWeber, David, and Charles Keating. How Firm a Foundation. [New York]: Macmillan Audio, 2011.
MLA引文Weber, David, and Charles Keating. How Firm a Foundation. Macmillan Audio, 2011.
警告:這些引文格式不一定是100%准確.