Παραπομπή APA

Wilson, G. W. (1962). Essays on some unsettled questions in the economics of transportation. Bloomington: Foundation for Economic and Business Studies.

Παραπομπή Chicago Style

Wilson, George W. Essays On Some Unsettled Questions in the Economics of Transportation. Bloomington: Foundation for Economic and Business Studies, 1962.

Παραπομπή MLA

Wilson, George W. Essays On Some Unsettled Questions in the Economics of Transportation. Bloomington: Foundation for Economic and Business Studies, 1962.

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