APA

De Cecco J. P., Crawford W. R., . (1974). The psychology of learning and instruction: educational psychology. Englewood Cliffs, N.J: Prentice-Hall.

Chicago

De Cecco John P, Crawford William R, . 1974. The psychology of learning and instruction: educational psychology. Englewood Cliffs, N.J: Prentice-Hall.

Harvard

De Cecco J. P., Crawford W. R., . (1974). The psychology of learning and instruction: educational psychology. Englewood Cliffs, N.J: Prentice-Hall.

MLA

De Cecco John P, Crawford William R, . The psychology of learning and instruction: educational psychology. Englewood Cliffs, N.J: Prentice-Hall. 1974.