STRAFFORD JOHN. (1986). EFFECTIVE SALES MANAGEMENT. HEINEMANN.
芝加哥风格引文STRAFFORD JOHN. EFFECTIVE SALES MANAGEMENT. LONDON: HEINEMANN, 1986.
MLA引文STRAFFORD JOHN. EFFECTIVE SALES MANAGEMENT. HEINEMANN, 1986.
警告：这些引文格式不一定是100％准确.
APA引文