APA aipamena

Johnsen, J. E. (1929). Interscholastic athletics. The H. W. Wilson Company.

Chicago Style aipamena

Johnsen, Julia E. Interscholastic Athletics. New York: The H. W. Wilson Company, 1929.

MLA aipamena

Johnsen, Julia E. Interscholastic Athletics. The H. W. Wilson Company, 1929.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.