Gagné, R. M. (1971). The conditions of learning (2a. ed.). Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Gagné, Robert M. The Conditions of Learning. 2a. ed. London: Holt, Rinehart and Winston, 1971.
Cita MLA (8a ed.)Gagné, Robert M. The Conditions of Learning. 2a. ed. Holt, Rinehart and Winston, 1971.
Precaución: Estas citas no son 100% exactas.