Παραπομπή APA

Warntz, W. (1959). Toward a geography of price: A study in geo-econometrics. Philadelphia: University of Pennsylvania Press.

Παραπομπή Chicago Style

Warntz, William. Toward a Geography of Price: A Study in Geo-econometrics. Philadelphia: University of Pennsylvania Press, 1959.

Παραπομπή MLA

Warntz, William. Toward a Geography of Price: A Study in Geo-econometrics. Philadelphia: University of Pennsylvania Press, 1959.

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