APA (7e ed.) Bronvermelding

Hechinger, F. M. (1966). Pre-school education today: New approaches to teaching three-, four-, and five-year-olds. Doubleday.

Chicago (17e ed.) Bronvermelding

Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Garden City, N.Y: Doubleday, 1966.

MLA (9e ed.) Bronvermelding

Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Doubleday, 1966.