Calkins, R. M. (1981). Antitrust Guidelines for the Business Executive. Dow Jones- Irwin.
Chicago-čujuhus (17. p.)Calkins, Richard M. Antitrust Guidelines for the Business Executive. Homewood Ill: Dow Jones- Irwin, 1981.
MLA-čujuhus (9. p.)Calkins, Richard M. Antitrust Guidelines for the Business Executive. Dow Jones- Irwin, 1981.
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