APA (7e ed.) Bronvermelding

TRUETT, L. J., & TRUETT, D. B. (1984). Managerial economics: Analisys, problems, cases (2.). South-western.

Chicago (17e ed.) Bronvermelding

TRUETT, Lila J., en Dale B. TRUETT. Managerial Economics: Analisys, Problems, Cases. 2. Cincinati: South-western, 1984.

MLA (9e ed.) Bronvermelding

TRUETT, Lila J., en Dale B. TRUETT. Managerial Economics: Analisys, Problems, Cases. 2. South-western, 1984.