(1972). Scientific principles of coaching / [by] John W. Bunn.
Cita Chicago (17th ed.)Scientific Principles of Coaching / [by] John W. Bunn. 1972.
Cita MLA (9th ed.)Scientific Principles of Coaching / [by] John W. Bunn. 1972.
Atenció: Aquestes cites poden no estar 100% correctes.