Lua APA (7ú heag.)

Krauss, M. B. (1979). A geometric approach to international trade. Blackwell.

Lua i Stíl Chicago (17ú heag.)

Krauss, Melvyn B. A Geometric Approach to International Trade. Oxford: Blackwell, 1979.

Lua MLA (9ú heag.)

Krauss, Melvyn B. A Geometric Approach to International Trade. Blackwell, 1979.

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