Harlan, B. (1950). How to improve your diving. The Athletic Institute.
Cita Chicago (17th ed.)Harlan, Bruce. How to Improve Your Diving. Chicago, Ill.: The Athletic Institute, 1950.
Cita MLA (8th ed.)Harlan, Bruce. How to Improve Your Diving. The Athletic Institute, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.