Hartman, L. P. (1998). Perspectives in business ethics. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hartman, Laura Pincus. Perspectives in Business Ethics. Chicago, Ill: McGraw-Hill, 1998.
Lua MLA (9ú heag.)Hartman, Laura Pincus. Perspectives in Business Ethics. McGraw-Hill, 1998.
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