APA (7th ed.) Zitazioa

Piek, J. P. (2006). Infant motor development (1a. ed.). Human Kinetics.

Chicago Style (17th ed.) Zitazioa

Piek, Jan P. Infant Motor Development. 1a. ed. Champaign: Human Kinetics, 2006.

MLA (9th ed.) Zitazioa

Piek, Jan P. Infant Motor Development. 1a. ed. Human Kinetics, 2006.