APA Zitierstil

Crawford, W. R., & De Cecco, J. P. The Psychology of learning and instruction: Educational psychology (Ed.2.).

Chicago Zitierstil

Crawford, William R., und John P. De Cecco. The Psychology of Learning and Instruction: Educational Psychology. Ed.2. New Delhi, Prentice Hall of India Pvt Ltd.

MLA Zitierstil

Crawford, William R., und John P. De Cecco. The Psychology of Learning and Instruction: Educational Psychology. Ed.2.