Παραπομπή σε μορφή APA (7η εκδ.)

Pulaski, M. A. S. (1980). Understanding Piaget: An introduction to children's cognitive development. Harper and row.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pulaski, Mary Ann Spencer. Understanding Piaget: An Introduction to Children's Cognitive Development. New York: Harper and row, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pulaski, Mary Ann Spencer. Understanding Piaget: An Introduction to Children's Cognitive Development. Harper and row, 1980.