Gaya APA

Baechle, T, R., L, I, W, W. (2010). Fitness professionals guide to strength training older adults . Illinois: Illinois: Human Kinetics, 2010.

Gaya MLA

Baechle, Thomas, R., L, I., Westcott,, Wayne. "Fitness professionals guide to strength training older adults". Illinois: Illinois: Human Kinetics, 2010, 2010. .