Thomas, D. G. (1989). Swimming: Steps to success. Leisure Press.
Cita Chicago (17th ed.)Thomas, David G. Swimming: Steps to Success. Champaign, Ill: Leisure Press, 1989.
Cita MLA (9th ed.)Thomas, David G. Swimming: Steps to Success. Leisure Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.