APA aipamena

Montessori, M., & Costelloe, M. J. (1972). Discovery of the child. Random House.

Chicago Style aipamena

Montessori, Maria, and M. Joseph Costelloe. Discovery of the Child. New York: Random House, 1972.

MLA aipamena

Montessori, Maria, and M. Joseph Costelloe. Discovery of the Child. Random House, 1972.