Burroughs Corporation & Lewis, E. S. E. (1914). Efficient cost keeping: A study of the most effective applications of cost keeping principles to certain types of management (3d ed.). Burroughs adding machine company.
Lua i Stíl Chicago (17ú heag.)Burroughs Corporation agus Elias St. Elmo Lewis. Efficient Cost Keeping: A Study of the Most Effective Applications of Cost Keeping Principles to Certain Types of Management. 3d ed. Detroit, Mich.: Burroughs adding machine company, 1914.
Lua MLA (8ú heag.)Burroughs Corporation agus Elias St. Elmo Lewis. Efficient Cost Keeping: A Study of the Most Effective Applications of Cost Keeping Principles to Certain Types of Management. 3d ed. Burroughs adding machine company, 1914.
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