Cita APA (7a ed.)

Davis, R. H. (1974). Learning system design an approach to the improvement of instruction. McGraw-Hill.

Cita Chicago Style (17a ed.)

Davis, Robert H. Learning System Design an Approach to the Improvement of Instruction. McGraw-Hill, 1974.

Cita MLA (8a ed.)

Davis, Robert H. Learning System Design an Approach to the Improvement of Instruction. McGraw-Hill, 1974.