Παραπομπή σε μορφή APA (7η εκδ.)

Emory Cognition Project Conference Emory University & Neisser, U. (1987). Concepts and conceptual development: Ecological and intellectual factors in categorization. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Emory Cognition Project Conference Emory University και Ulric Neisser. Concepts and Conceptual Development: Ecological and Intellectual Factors in Categorization. Cambridge: Cambridge University Press, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Emory Cognition Project Conference Emory University και Ulric Neisser. Concepts and Conceptual Development: Ecological and Intellectual Factors in Categorization. Cambridge University Press, 1987.