Gaya APA

Haff, G., Triplett, N, T. (2016). Essentials of Strength Training and Conditioning Fourth Edition . USA: National Strength and Conditioning Association.

Gaya MLA

Haff, G.Gregory., Triplett, N., Travis. "Essentials of Strength Training and Conditioning Fourth Edition". USA: National Strength and Conditioning Association, 2016. Text.