Lua APA (7ú heag.)

Appleyard, D. R., & Field, A. J. (1995). International economics (2nd ed.). Irwin.

Lua i Stíl Chicago (17ú heag.)

Appleyard, Dennis R., agus Alfred J. Field. International Economics. 2nd ed. Chicago: Irwin, 1995.

Lua MLA (9ú heag.)

Appleyard, Dennis R., agus Alfred J. Field. International Economics. 2nd ed. Irwin, 1995.

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