Ritonga, J. (2004). Riset kehumasan. grasindo.
Chicago Style (17th ed.) CitationRitonga, Jamiluddin. Riset Kehumasan. grasindo, 2004.
MLA (8th ed.) CitationRitonga, Jamiluddin. Riset Kehumasan. grasindo, 2004.
Warning: These citations may not always be 100% accurate.