McDougall, C. (2015). Natural born heroes: Mastering the lost secrets of strength and endurance.
Style de citation Chicago (17e éd.)McDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
Style de citation MLA (8e éd.)McDougall, Christopher. Natural Born Heroes: Mastering the Lost Secrets of Strength and Endurance. 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.