Παραπομπή APA

Gutmann, M. (1979). Prices and earnings around the globe: A comparison of purchasing power in 41 cities. Zurich: Union Bank of Switzerland.

Παραπομπή Chicago Style

Gutmann, M. Prices and Earnings Around the Globe: A Comparison of Purchasing Power in 41 Cities. Zurich: Union Bank of Switzerland, 1979.

Παραπομπή MLA

Gutmann, M. Prices and Earnings Around the Globe: A Comparison of Purchasing Power in 41 Cities. Zurich: Union Bank of Switzerland, 1979.

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