Barrett, H. J. (1918). Modern methods in the office: How to cut corners and save money. Harper.
Citace podle Chicago (17th ed.)Barrett, Harold James. Modern Methods in the Office: How to Cut Corners and Save Money. New York, London: Harper, 1918.
Citace podle MLA (8th ed.)Barrett, Harold James. Modern Methods in the Office: How to Cut Corners and Save Money. Harper, 1918.
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