WEIHRICH HEINZ. (2008). MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE (12TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)WEIHRICH HEINZ. MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE. 12TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
Lua MLA (9ú heag.)WEIHRICH HEINZ. MANAGEMENT: A GLOBAL AND ENTREPRENEURIAL PERSPECTIVE. 12TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
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