Não informado. (2001). Strength and health. Strength & Health Publishing.
Style de citation Chicago (17e éd.)Não informado. Strength and Health. New York: Strength & Health Publishing, 2001.
Style de citation MLA (8e éd.)Não informado. Strength and Health. Strength & Health Publishing, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.