Gaya APA

Gagne, R, M. (1992). Principles of instructional design (Ed.4). New york: New York Harcourt Brace Jovanovich College Publisher.

Gaya MLA

Gagne, Robert, M.. "Principles of instructional design". Ed.4 New york: New York Harcourt Brace Jovanovich College Publisher, 1992. Text.