Earle, T., R., B., R., W.(2008).Essentials of strength training and conditioning: National Strength and Conditioning Association (Ed. iii).(4) Organisasi Perusahaan: Teo:.
Gaya MLA
Earle, T., R., B., R., W..Essentials of strength training and conditioning: National Strength and Conditioning Association.Ed. iii(4) Organisasi Perusahaan: Teo:,2008.Text.