Block, S. B., & Hirt, G. A. (1987). Foundations of financial management (4th ed.). Irwin.
Lua i Stíl Chicago (17ú heag.)Block, Stanley B., agus Geoffrey A. Hirt. Foundations of Financial Management. 4th ed. Homewood, Ill.: Irwin, 1987.
Lua MLA (9ú heag.)Block, Stanley B., agus Geoffrey A. Hirt. Foundations of Financial Management. 4th ed. Irwin, 1987.
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