APA Style
Ritonga, Jamiluddin. (2005).
Riset Kehumasan .
Jakarta:
Grasindo.
Chicago Style
Ritonga, Jamiluddin.
Riset Kehumasan.
Jakarta:
Grasindo,
2005.
Text.
MLA Style
Ritonga, Jamiluddin.
Riset Kehumasan.
Jakarta:
Grasindo,
2005.
Text.
Turabian Style
Ritonga, Jamiluddin.
Riset Kehumasan.
Jakarta:
Grasindo,
2005.
Print.