Petty, J. W., & Keown, A. J. (1993). Basic financial management (6th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Petty, J. William, agus Arthur J. Keown. Basic Financial Management. 6th ed. Englewood Cliffs, NJ: Prentice Hall, 1993.
Lua MLA (9ú heag.)Petty, J. William, agus Arthur J. Keown. Basic Financial Management. 6th ed. Prentice Hall, 1993.
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