APA (7th ed.) Zitazioa
Morrison, G. S. (1991). Early childhood education today (5th ed.). Macmillan Pub. Co..
Chicago Style (17th ed.) Zitazioa
Morrison, George S. Early Childhood Education Today. 5th ed. New York: Macmillan Pub. Co., 1991.
MLA (9th ed.) Zitazioa
Morrison, George S. Early Childhood Education Today. 5th ed. Macmillan Pub. Co., 1991.
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