Citazione Stile APA (7a Edizione)

Klausmeier, H. J. (1979). Cognitive learning and development: Information-processing and Piagetian perspectives. Ballinger Publishing.

Citazione stile Chigago Style (17a edizione)

Klausmeier, Herbert J. Cognitive Learning and Development: Information-processing and Piagetian Perspectives. Cambridge: Ballinger Publishing, 1979.

Citatione MLA (9a ed.)

Klausmeier, Herbert J. Cognitive Learning and Development: Information-processing and Piagetian Perspectives. Ballinger Publishing, 1979.