CLAY JULIAN. (2004). SUCCESSFUL SELLING SOLUTIONS. VIVA BOOKS PVT.LTD.
芝加哥风格引文CLAY JULIAN. SUCCESSFUL SELLING SOLUTIONS. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.
MLA引文CLAY JULIAN. SUCCESSFUL SELLING SOLUTIONS. VIVA BOOKS PVT.LTD, 2004.
警告：这些引文格式不一定是100％准确.