APA (7th ed.) Zitazioa

Holding, D. (1965). Principles of Training. Pergamon Pr..

Chicago Style (17th ed.) Zitazioa

Holding, D.H. Principles of Training. New York: Pergamon Pr., 1965.

MLA (9th ed.) Zitazioa

Holding, D.H. Principles of Training. Pergamon Pr., 1965.