APA aipamena

Ager, D. (1998). The soccer referee's manual (2.). A&C Black.

Chicago Style aipamena

Ager, David. The Soccer Referee's Manual. 2. London: A&C Black, 1998.

MLA aipamena

Ager, David. The Soccer Referee's Manual. 2. A&C Black, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.