NICKELS WILLIAM G. (1987). UNDERSTANDING BUSINESS. TIMES MIRROR MOSBY PUBLICATION COLLEGE.
芝加哥风格引文NICKELS WILLIAM G. UNDERSTANDING BUSINESS. TORONTO: TIMES MIRROR MOSBY PUBLICATION COLLEGE, 1987.
MLA引文NICKELS WILLIAM G. UNDERSTANDING BUSINESS. TIMES MIRROR MOSBY PUBLICATION COLLEGE, 1987.
警告：这些引文格式不一定是100％准确.