APA (7e ed.) Bronvermelding

Hillman, C. B. (1988). Teaching four year olds: A personal Journey. Phi Delta Kappa Educational Foundation.

Chicago (17e ed.) Bronvermelding

Hillman, Carol B. Teaching Four Year Olds: A Personal Journey. USA: Phi Delta Kappa Educational Foundation, 1988.

MLA (9e ed.) Bronvermelding

Hillman, Carol B. Teaching Four Year Olds: A Personal Journey. Phi Delta Kappa Educational Foundation, 1988.