Gaya APA
Gagne, Robert M.. (1979).
Principles of Instructional Design (2nd ed.).
:
.
Gaya Chicago
Gagne, Robert M..
Principles of Instructional Design.
2nd ed.
:
,
1979.
Text.
Gaya MLA
Gagne, Robert M..
Principles of Instructional Design.
2nd ed.
:
,
1979.
Text.
Gaya Turabian
Gagne, Robert M..
Principles of Instructional Design.
2nd ed.
:
,
1979.
Print.