Παραπομπή APA

Beckmann, M., McGuire, C. B., Winsten, C. B., & Koopmans, T. C. (1956). Studies in the economics of transportation. New Haven: Yale University Press.

Παραπομπή Chicago Style

Beckmann, Martin, C. B. McGuire, Christopher B. Winsten, and Tjalling C. Koopmans. Studies in the Economics of Transportation. New Haven: Yale University Press, 1956.

Παραπομπή MLA

Beckmann, Martin, C. B. McGuire, Christopher B. Winsten, and Tjalling C. Koopmans. Studies in the Economics of Transportation. New Haven: Yale University Press, 1956.

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