Truett, L. J., & Truett, D. B. (1988). Managerial economics (2nd ed.). South-Western Publishing Co..
Cita Chicago (17th ed.)Truett, Lila J., i Dale B. Truett. Managerial Economics. 2nd ed. Cincinnati, Ohio: South-Western Publishing Co., 1988.
Cita MLA (9th ed.)Truett, Lila J., i Dale B. Truett. Managerial Economics. 2nd ed. South-Western Publishing Co., 1988.
Atenció: Aquestes cites poden no estar 100% correctes.