APA Zitierstil

Gesell, A. First five years of life: A guide to the study of the pre-school child.

Chicago Zitierstil

Gesell, Arnold. First Five Years of Life: A Guide to the Study of the Pre-school Child.

MLA Zitierstil

Gesell, Arnold. First Five Years of Life: A Guide to the Study of the Pre-school Child.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.