Παραπομπή APA

(1966). Census of transportation 1963: Commodity transportation survey : shipper groups. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

Census of Transportation 1963: Commodity Transportation Survey : Shipper Groups. Washington, D.C: Government Printing Office, 1966.

Παραπομπή MLA

Census of Transportation 1963: Commodity Transportation Survey : Shipper Groups. Washington, D.C: Government Printing Office, 1966.

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