Stiwell, J. A., & Lipsey, R. G. (1971). Workbook to Accompany: An Instroduction to Positive Economics (2nd ed.). English Language Book Society.
Chicago Style citaatStiwell, J A., en Richard G. Lipsey. Workbook to Accompany: An Instroduction to Positive Economics. 2nd ed. London: English Language Book Society, 1971.
MLA citatieStiwell, J A., en Richard G. Lipsey. Workbook to Accompany: An Instroduction to Positive Economics. 2nd ed. English Language Book Society, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.