Lua APA (7ú heag.)
Kenen, P. B. (1989). The international economy (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Kenen, Peter B. The International Economy. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.
Lua MLA (9ú heag.)
Kenen, Peter B. The International Economy. 2nd ed. Prentice Hall, 1989.
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