Wakeham, I. R., & Ashe, R. C. (1969). Exercises in commerce: Book two. Rigby.
芝加哥风格引文Wakeham, I. R., 与 R. C. Ashe. Exercises in Commerce: Book Two. [Adelaide]: Rigby, 1969.
MLA引文Wakeham, I. R., 与 R. C. Ashe. Exercises in Commerce: Book Two. Rigby, 1969.
警告：这些引文格式不一定是100％准确.