APA aipamena

Robson, H. E. (1979). “Runners Index”, “Physical Education Index” and “Physical Education/Sports Index”.

Chicago Style aipamena

Robson, H. E. “Runners Index”, “Physical Education Index” and “Physical Education/Sports Index”. 1979.

MLA aipamena

Robson, H. E. “Runners Index”, “Physical Education Index” and “Physical Education/Sports Index”. 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.