Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.