Boyd, D. G., & Bee, H. L. (2014). The developing child (Thirteenth edition, Pearson new international edition.). Pearson.
Cita Chicago Style (17a ed.)Boyd, Denise G., y Helen L. Bee. The Developing Child. Thirteenth edition, Pearson new international edition. Harlow, England: Pearson, 2014.
Cita MLA (8a ed.)Boyd, Denise G., y Helen L. Bee. The Developing Child. Thirteenth edition, Pearson new international edition. Pearson, 2014.
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