Hillman, C. B. (1988). Teaching four year olds: A personal Journey. Phi Delta Kappa Educational Foundation.
Citazione stile Chigago Style (17a edizione)Hillman, Carol B. Teaching Four Year Olds: A Personal Journey. USA: Phi Delta Kappa Educational Foundation, 1988.
Citatione MLA (9a ed.)Hillman, Carol B. Teaching Four Year Olds: A Personal Journey. Phi Delta Kappa Educational Foundation, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.