APA-viite (7. p.)

Essa, E. (1999). Introduction to early childhood education (3rd ed.). Delmar.

Chicago-viite (17. p.)

Essa, Eva. Introduction to Early Childhood Education. 3rd ed. Albany, N.Y: Delmar, 1999.

MLA-viite (9. p.)

Essa, Eva. Introduction to Early Childhood Education. 3rd ed. Delmar, 1999.

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