TRUETT, L. J., & TRUETT, D. B. (1984). Managerial economics: Analisys, problems, cases (2.). South-western.
Chicago-čujuhus (17. p.)TRUETT, Lila J., juo Dale B. TRUETT. Managerial Economics: Analisys, Problems, Cases. 2. Cincinati: South-western, 1984.
MLA-čujuhus (9. p.)TRUETT, Lila J., juo Dale B. TRUETT. Managerial Economics: Analisys, Problems, Cases. 2. South-western, 1984.
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