APA aipamena

Mackenzie, P. A. P. (1986). Prevention of head injuries in skiing.

Chicago Style aipamena

Mackenzie, P. A. P. Prevention of Head Injuries in Skiing. 1986.

MLA aipamena

Mackenzie, P. A. P. Prevention of Head Injuries in Skiing. 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.