McDougall, C. (2015). Natural born heroes: Mastering the lost secrets of strength and endurance.
Chicago Style (17th ed.) CitationMcDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
MLA引文McDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
警告:這些引文格式不一定是100%准確.