APA
De Cecco J. P., Crawford W. R., . (1974). The psychology of learning and instruction. Englewood Cliffs: Prentice-Hall.
Chicago
De Cecco John P, Crawford William R, . 1974. The psychology of learning and instruction. Englewood Cliffs: Prentice-Hall.
Harvard
De Cecco J. P., Crawford W. R., . (1974). The psychology of learning and instruction. Englewood Cliffs: Prentice-Hall.
MLA
De Cecco John P, Crawford William R, . The psychology of learning and instruction. Englewood Cliffs: Prentice-Hall. 1974.