APA (7th ed.) Citation

Flavell, J. H. (1985). Cognitive development (2η έκδ.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Flavell, John H. Cognitive Development. 2η έκδ. Englewood Cliffs, N.J.: Prentice-Hall, 1985.

MLA (8th ed.) Citation

Flavell, John H. Cognitive Development. 2η έκδ. Prentice-Hall, 1985.