Tschohl, J. (1995). The customer is boss. Advantage Quest Sdn. Bhd..
Chicago Style (17th ed.) CitationTschohl, John. The Customer Is Boss. Petaling Jaya: Advantage Quest Sdn. Bhd., 1995.
MLA (9th ed.) CitationTschohl, John. The Customer Is Boss. Advantage Quest Sdn. Bhd., 1995.
Warning: These citations may not always be 100% accurate.