APA ציטוט

Gesell, A. Child Development: An introduction to the study of human growth. New York: Harper & Brothers.

Trích dẫn kiểu Chicago

Gesell, Arnold. Child Development: An Introduction to the Study of Human Growth. New York: Harper & Brothers.

ציטוט MLA

Gesell, Arnold. Child Development: An Introduction to the Study of Human Growth. New York: Harper & Brothers.