Sladen, E. (1965). Modern commerce; a course in commerce for advanced students (7th ed.). Pitman.
芝加哥风格引文Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. London: Pitman, 1965.
MLA引文Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. Pitman, 1965.
警告：这些引文格式不一定是100％准确.