ANDY. (2004). Mengutamakan Pelanggan. Yogyakarta: Zemith Publisher.
Chicago Style CitationANDY. Mengutamakan Pelanggan. Yogyakarta: Zemith Publisher, 2004.
MLA CitationANDY. Mengutamakan Pelanggan. Yogyakarta: Zemith Publisher, 2004.
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