Rippe, J. M. (1989). Fit for success: Proven strategies for executive health. Prentice Hall.
Cita Chicago (17th ed.)Rippe, James M. Fit for Success: Proven Strategies for Executive Health. Prentice Hall, 1989.
Cita MLA (9th ed.)Rippe, James M. Fit for Success: Proven Strategies for Executive Health. Prentice Hall, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.