Gaya APA

, ., Bjorklund, D, F. (2011). Children's thinking : developmental function and individual differences . Wadsworth Publishing Co Inc, 2: Wadsworth Publishing Co Inc, 2011.

Gaya MLA

, ., Bjorklund, David, F.. "Children's thinking : developmental function and individual differences". Wadsworth Publishing Co Inc, 2: Wadsworth Publishing Co Inc, 2011, 2011. .