Cita APA (7th ed.)

(1982). Isometric exercise and its clinical implications / by Jerrold Scott Petrofsky.

Cita Chicago (17th ed.)

Isometric Exercise and Its Clinical Implications / by Jerrold Scott Petrofsky. 1982.

Cita MLA (9th ed.)

Isometric Exercise and Its Clinical Implications / by Jerrold Scott Petrofsky. 1982.

Atenció: Aquestes cites poden no estar 100% correctes.