APA
Gagne R. M., . (1965). The conditions of learning and theory of instruction. Holt R, New York: .
Chicago
Gagne Robert M, . 1965. The conditions of learning and theory of instruction. Holt R, New York: .
Harvard
Gagne R. M., . (1965). The conditions of learning and theory of instruction. Holt R, New York: .
MLA
Gagne Robert M, . The conditions of learning and theory of instruction. Holt R, New York: . 1965.