Skolnik, P. L. (1974). Jump rope! Workman Pub. Co.
Cita Chicago (17th ed.)Skolnik, Peter L. Jump Rope! New York: Workman Pub. Co, 1974.
Cita MLA (9th ed.)Skolnik, Peter L. Jump Rope! Workman Pub. Co, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.