Dyfyniad APA
Santrock, J. W. (2011). Child development (13th ed.). McGraw-Hill Humanities.
Dyfyniad Arddull Chicago
Santrock, John W. Child Development. 13th ed. New York: McGraw-Hill Humanities, 2011.
Dyfyniad MLA
Santrock, John W. Child Development. 13th ed. McGraw-Hill Humanities, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.