APA-referens (7:e uppl.)

De Cecco, J. P. (1967). The psychology of language, thought, and instruction: Readings. Holt, Rinehart and Winston.

Chicago-referens (17:e uppl.)

De Cecco, John P. The Psychology of Language, Thought, and Instruction: Readings. New York: Holt, Rinehart and Winston, 1967.

MLA-referens (9:e uppl.)

De Cecco, John P. The Psychology of Language, Thought, and Instruction: Readings. Holt, Rinehart and Winston, 1967.