Παραπομπή APA

Pirenne, H., & Halsey, F. D. (1956). Medieval cities: Their origins and the revival of trade. Garden City, N.Y: Doubleday.

Παραπομπή Chicago Style

Pirenne, Henri, and Franlk D. Halsey. Medieval Cities: Their Origins and the Revival of Trade. Garden City, N.Y: Doubleday, 1956.

Παραπομπή MLA

Pirenne, Henri, and Franlk D. Halsey. Medieval Cities: Their Origins and the Revival of Trade. Garden City, N.Y: Doubleday, 1956.

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