Ward, M., & 1. (1985). Purchasing power parities and real expenditures in the OECD. OECD.
Chicago Style (17. basım) AtıfWard, Michael, ve 1. Purchasing Power Parities and Real Expenditures in the OECD. Paris: OECD, 1985.
MLA (9th ed.) AtıfWard, Michael, ve 1. Purchasing Power Parities and Real Expenditures in the OECD. OECD, 1985.
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