Gaya APA

Truett, L, J., Truett, D, J. (1984). Managerial economics : analysis, problems, cases (2nd. ed.). Cincinnati: South-Western Pub. Co..

Gaya MLA

Truett, Lila, J.., Truett, Dale, J.. "Managerial economics : analysis, problems, cases". 2nd. ed. Cincinnati: South-Western Pub. Co., 1984. Text.