De Vrye, C. (1997). Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama.
Chicago Style CitationDe Vrye, Catherine. Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama, 1997.
ציטוט MLADe Vrye, Catherine. Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.