APA-viite (7. p.)

Vernon, R., & Wells, L. T. (1976). Economic environment of international business (2d ed.). Prentice-Hall.

Chicago-viite (17. p.)

Vernon, Raymond, ja Louis T. Wells. Economic Environment of International Business. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1976.

MLA-viite (8. p.)

Vernon, Raymond, ja Louis T. Wells. Economic Environment of International Business. 2d ed. Prentice-Hall, 1976.

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