APA aipamena

PERRIN, G. A. (1981). Design For Sport. Butterworths.

Chicago Style aipamena

PERRIN, Gerald A. Design For Sport. Butterworths, 1981.

MLA aipamena

PERRIN, Gerald A. Design For Sport. Butterworths, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.