Cita APA (7th ed.)

Gagné, R. M. (1974). Essentials of learning for instruction. Dryden.

Cita Chicago (17th ed.)

Gagné, Robert Mills. Essentials of Learning for Instruction. Hinsdale: Dryden, 1974.

Cita MLA (9th ed.)

Gagné, Robert Mills. Essentials of Learning for Instruction. Dryden, 1974.