Forster, R. H., & Edington, R. V. (1985). Viewing international relations and world politics. Prentice-Hall.
Cita Chicago (17th ed.)Forster, Richard Henry, i Robert V. Edington. Viewing International Relations and World Politics. Englewood Cliffs, N. J: Prentice-Hall, 1985.
Cita MLA (9th ed.)Forster, Richard Henry, i Robert V. Edington. Viewing International Relations and World Politics. Prentice-Hall, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.