Gaya APA

Truett, D, B., Truett, L, J. (1984). Managerial Economics : Analysis. Problems. Cases (Second Edition). America: South-Western Publishing CO..

Gaya MLA

Truett, Dale, B.., Truett, Lila, J.. "Managerial Economics : Analysis. Problems. Cases". Second Edition America: South-Western Publishing CO., 1984. Text.