Gaya APA

Thomas, C. (1988). Student workbook for use with managerial economics (Maurice/ Smithson) (3rd ed.). Homewood: Richard D. Irwin.

Gaya MLA

Thomas, Christopher. "Student workbook for use with managerial economics (Maurice/ Smithson)". 3rd ed. Homewood: Richard D. Irwin, 1988. Text.