Al. Ries, J. T. (1989). PERANG PEMASARAN. ERLANGGA.
Chicago Style (17th ed.) CitationAl. Ries, Jack Trout. PERANG PEMASARAN. ERLANGGA, 1989.
MLA (8th ed.) CitationAl. Ries, Jack Trout. PERANG PEMASARAN. ERLANGGA, 1989.
Warning: These citations may not always be 100% accurate.