APA aipamena

Widmer, E. L. (1970). The critical years: Early childhood education at the crossroads. International Textbook Co..

Chicago Style aipamena

Widmer, Emmy Louise. The Critical Years: Early Childhood Education at the Crossroads. Scranton: International Textbook Co., 1970.

MLA aipamena

Widmer, Emmy Louise. The Critical Years: Early Childhood Education at the Crossroads. International Textbook Co., 1970.