Lua APA (7ú heag.)

Rindsfoos, C. S. (1915). Purchasing. McGraw-Hill Book comapny, Inc..

Lua i Stíl Chicago (17ú heag.)

Rindsfoos, Charles Siesel. Purchasing. New York [etc.]: McGraw-Hill Book comapny, Inc., 1915.

Lua MLA (8ú heag.)

Rindsfoos, Charles Siesel. Purchasing. McGraw-Hill Book comapny, Inc., 1915.

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