Gutmann, M. (1979). Prices and earnings around the globe: A comparison of purchasing power in 41 cities. Zurich: Union Bank of Switzerland.
استشهاد بنمط شيكاغوGutmann, M. Prices and Earnings Around the Globe: A Comparison of Purchasing Power in 41 Cities. Zurich: Union Bank of Switzerland, 1979.
MLA استشهادGutmann, M. Prices and Earnings Around the Globe: A Comparison of Purchasing Power in 41 Cities. Zurich: Union Bank of Switzerland, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.