Gaya APA

Butters, J, K., Butters, J, K, ., [, A. (1981). Case problems in finance (8th ed.). Homewood, Ill.: Richard D. Irwin Corp..

Gaya MLA

Butters, J, Keith., Butters, J, Keith, ..., [et., Al]. "Case problems in finance". 8th ed. Homewood, Ill.: Richard D. Irwin Corp., 1981. Text.