Ellmer, R. E. (1969). Marginal costs and variance analyses in management accounting. Macmillan.
芝加哥风格引文Ellmer, Robert E. Marginal Costs and Variance Analyses in Management Accounting. Johannesburg: Macmillan, 1969.
MLA引文Ellmer, Robert E. Marginal Costs and Variance Analyses in Management Accounting. Macmillan, 1969.
警告：这些引文格式不一定是100％准确.