Hodges, H. G. (1961). Procurement, the modern science of purchasing. Harper.
Lua i Stíl Chicago (17ú heag.)Hodges, Henry Green. Procurement, the Modern Science of Purchasing. New York: Harper, 1961.
Lua MLA (9ú heag.)Hodges, Henry Green. Procurement, the Modern Science of Purchasing. Harper, 1961.
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