Hechinger, F. M. (1966). Pre-school education today: New approaches to teaching three-, four-, and five-year-olds. Doubleday.
Citação do estilo Chicago (17ª ed.)Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Garden City, N.Y: Doubleday, 1966.
Citação MLA (9ª ed.)Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Doubleday, 1966.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.