Devrye, C. Good Service is Good Business: 7 Strategi Sederhana Menuju Sukses. Gramedia.
Chicago Style (17th ed.) CitationDevrye, Catherine. Good Service Is Good Business: 7 Strategi Sederhana Menuju Sukses. Gramedia.
MLA (8th ed.) CitationDevrye, Catherine. Good Service Is Good Business: 7 Strategi Sederhana Menuju Sukses. Gramedia.
Warning: These citations may not always be 100% accurate.