HENDERSON, J. V., POOLE, W., & PARISH, A. E. (1991). Student workbook for principles of economics. D.C. Heath and Company.
Citazione stile Chigago Style (17a edizione)HENDERSON, J. Vernon, William POOLE, e Albert E. PARISH. Student Workbook for Principles of Economics. Lexington: D.C. Heath and Company, 1991.
Citatione MLA (9a ed.)HENDERSON, J. Vernon, et al. Student Workbook for Principles of Economics. D.C. Heath and Company, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.