Citazione Stile APA (7a Edizione)

Oléron, P., & Lorion, R. P. (1977). Language and mental development. Lawrence Erlbaum.

Citazione stile Chigago Style (17a edizione)

Oléron, Pierre, e Raymond P. Lorion. Language and Mental Development. Hillsdale, New Jersey: Lawrence Erlbaum, 1977.

Citatione MLA (9a ed.)

Oléron, Pierre, e Raymond P. Lorion. Language and Mental Development. Lawrence Erlbaum, 1977.