Allsen, P. E. (1987). Strength training: Beginners body building and athlete. Scott, Foresman.
Cita Chicago (17th ed.)Allsen, Philip E. Strength Training: Beginners Body Building and Athlete. Glenview, Ill: Scott, Foresman, 1987.
Cita MLA (9th ed.)Allsen, Philip E. Strength Training: Beginners Body Building and Athlete. Scott, Foresman, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.