tjiptono, f. (2008). service management: Mewujudkan layanan prima. penerbit andi.
Chicago Style Citationtjiptono, fandy. Service Management: Mewujudkan Layanan Prima. penerbit andi, 2008.
MLA引文tjiptono, fandy. Service Management: Mewujudkan Layanan Prima. penerbit andi, 2008.
警告:這些引文格式不一定是100%准確.