McDougall, C. (2015). Natural born heroes: Mastering the lost secrets of strength and endurance.
Цитирование в стиле Чикаго (17-е изд.)McDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
Цитирование MLA (8-е изд.)McDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.