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