Wade, M. G., & Ellis, M. (1985). Constraints on leisure. C. C. Thomas.
Cita Chicago (17th ed.)Wade, Michael G., i Michael Ellis. Constraints on Leisure. Springfield, Illinois: C. C. Thomas, 1985.
Cita MLA (9th ed.)Wade, Michael G., i Michael Ellis. Constraints on Leisure. C. C. Thomas, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.