Cita APA (7th ed.)

Clegg, R., & Thompson, W. A. (1974). Modern sports officiating: A practical guide (4th.ed.). Brown.

Cita Chicago (17th ed.)

Clegg, Richard, i William A. Thompson. Modern Sports Officiating: A Practical Guide. 4th.ed. Dubuque: Brown, 1974.

Cita MLA (9th ed.)

Clegg, Richard, i William A. Thompson. Modern Sports Officiating: A Practical Guide. 4th.ed. Brown, 1974.