Cita APA (7th ed.)
Berk, L. E. (2013). Child development (9th ed.). Pearson.
Cita Chicago (17th ed.)
Berk, Laura E. Child Development. 9th ed. Boston: Pearson, 2013.
Cita MLA (9th ed.)
Berk, Laura E. Child Development. 9th ed. Pearson, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.