APA

Forest I., . (1949). Early years at school: a textbook for students of early childhood education. New York: McGraw-Hill.

Chicago

Forest Ilse, . 1949. Early years at school: a textbook for students of early childhood education. New York: McGraw-Hill.

Harvard

Forest I., . (1949). Early years at school: a textbook for students of early childhood education. New York: McGraw-Hill.

MLA

Forest Ilse, . Early years at school: a textbook for students of early childhood education. New York: McGraw-Hill. 1949.