APA (7th ed.) Zitazioa
Robertson, C. (2003). Safety, Nutrition, and health in early education (2nd ed.). Delmar Thomson learning.
Chicago Style (17th ed.) Zitazioa
Robertson, Cathie. Safety, Nutrition, and Health in Early Education. 2nd ed. Clifton Park, NY: Delmar Thomson learning, 2003.
MLA (9th ed.) Zitazioa
Robertson, Cathie. Safety, Nutrition, and Health in Early Education. 2nd ed. Delmar Thomson learning, 2003.
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