Hughes, H. G., & Loveridge, J. W. (1973). Workbook of commerce. Butterworths.
芝加哥风格引文Hughes, Henry G., 与 John W. Loveridge. Workbook of Commerce. London: Butterworths, 1973.
MLA引文Hughes, Henry G., 与 John W. Loveridge. Workbook of Commerce. Butterworths, 1973.
警告：这些引文格式不一定是100％准确.