Clegg, R., & Thompson, W. A. (1974). Modern sports officiating: A practical guide (4th.ed.). Brown.
Citación estilo ChicagoClegg, Richard, and William A. Thompson. Modern Sports Officiating: A Practical Guide. 4th.ed. Dubuque: Brown, 1974.
Cita MLAClegg, Richard, and William A. Thompson. Modern Sports Officiating: A Practical Guide. 4th.ed. Brown, 1974.
Warning: These citations may not always be 100% accurate.