Grunewald, D. (1964). Cases in business policy. Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Grunewald, Donald. Cases in Business Policy. New York: Holt, Rinehart and Winston, 1964.
Lua MLA (9ú heag.)Grunewald, Donald. Cases in Business Policy. Holt, Rinehart and Winston, 1964.
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