Parsons, F. W. (1921). American business methods for increasing production and reducing costs in factory, store, and office. G.P. Putnam's Sons.
Lua i Stíl Chicago (17ú heag.)Parsons, Floyd William. American Business Methods for Increasing Production and Reducing Costs in Factory, Store, and Office. New York, London: G.P. Putnam's Sons, 1921.
Lua MLA (8ú heag.)Parsons, Floyd William. American Business Methods for Increasing Production and Reducing Costs in Factory, Store, and Office. G.P. Putnam's Sons, 1921.
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