APA (7th ed.) Zitazioa

(1970). The child's conception of movement and speed / Jean Piaget ; translated from the French by G.E.T. Holloway and M.J. Mackenzie.

Chicago Style (17th ed.) Zitazioa

The Child's Conception of Movement and Speed / Jean Piaget ; Translated from the French by G.E.T. Holloway and M.J. Mackenzie. 1970.

MLA (9th ed.) Zitazioa

The Child's Conception of Movement and Speed / Jean Piaget ; Translated from the French by G.E.T. Holloway and M.J. Mackenzie. 1970.