Martin, W. B. (1989). Managing Quality Customer Service. Perpustakaan Nasional RI.
Chicago Style CitationMartin, William B. Managing Quality Customer Service. Perpustakaan Nasional RI, 1989.
MLA CitationMartin, William B. Managing Quality Customer Service. Perpustakaan Nasional RI, 1989.
Warning: These citations may not always be 100% accurate.