Rippe, J. M. (1989). Fit for success: Proven strategies for executive health. Prentice Hall.
Chicago-viite (17. p.)Rippe, James M. Fit for Success: Proven Strategies for Executive Health. Prentice Hall, 1989.
MLA-viite (9. p.)Rippe, James M. Fit for Success: Proven Strategies for Executive Health. Prentice Hall, 1989.
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