CLAY JULIAN. (2004). SUCCESSFUL SELLING SOLUTIONS: TEST, MONITOR AND CONSTANTLY IMPROVE YOUR SELLING SKILLS. VIVA BOOKS.
Chicago Style (17th ed.) CitationCLAY JULIAN. SUCCESSFUL SELLING SOLUTIONS: TEST, MONITOR AND CONSTANTLY IMPROVE YOUR SELLING SKILLS. NEW DELHI: VIVA BOOKS, 2004.
MLA引文CLAY JULIAN. SUCCESSFUL SELLING SOLUTIONS: TEST, MONITOR AND CONSTANTLY IMPROVE YOUR SELLING SKILLS. VIVA BOOKS, 2004.
警告:這些引文格式不一定是100%准確.