APA Style
Gagne, Robert M., Perk, Marcy. (1989).
Essentials of learning for Instruction (Cet.ke-2).
New Jersey:
Prentice.
Chicago Style
Gagne, Robert M., Perk, Marcy.
Essentials of learning for Instruction.
Cet.ke-2
New Jersey:
Prentice,
1989.
Text.
MLA Style
Gagne, Robert M., Perk, Marcy.
Essentials of learning for Instruction.
Cet.ke-2
New Jersey:
Prentice,
1989.
Text.
Turabian Style
Gagne, Robert M., Perk, Marcy.
Essentials of learning for Instruction.
Cet.ke-2
New Jersey:
Prentice,
1989.
Print.