MERCER DAVID. (1988). SALES: PROFESSIONAL STRATEGIES AND TECHNIQUES...HIGH LEVEL SALES. KOGAN PAGE.
Chicago Style (17th ed.) CitationMERCER DAVID. SALES: PROFESSIONAL STRATEGIES AND TECHNIQUES...HIGH LEVEL SALES. LONDON: KOGAN PAGE, 1988.
MLA引文MERCER DAVID. SALES: PROFESSIONAL STRATEGIES AND TECHNIQUES...HIGH LEVEL SALES. KOGAN PAGE, 1988.
警告:這些引文格式不一定是100%准確.