Smythe, C. F. (1975). Skiing. Athletic Institute.
Cita Chicago (17th ed.)Smythe, Cyrus F. Skiing. Chicago: Athletic Institute, 1975.
Cita MLA (8th ed.)Smythe, Cyrus F. Skiing. Athletic Institute, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.