Παραπομπή APA

Sigel, I. E. (1999). Development of mental representation: Theories and applications. Mahwah, NJ: Lawrence Erlbaum Associates, Publishers.

Παραπομπή Chicago Style

Sigel, Irvin E. Development of Mental Representation: Theories and Applications. Mahwah, NJ: Lawrence Erlbaum Associates, Publishers, 1999.

Παραπομπή MLA

Sigel, Irvin E. Development of Mental Representation: Theories and Applications. Mahwah, NJ: Lawrence Erlbaum Associates, Publishers, 1999.

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