Cummins, J. (1991). Promosi penjualan. Binarupa Aksara.
Chicago Style CitationCummins, Julian. Promosi Penjualan. Binarupa Aksara, 1991.
MLA CitationCummins, Julian. Promosi Penjualan. Binarupa Aksara, 1991.
Warning: These citations may not always be 100% accurate.