Dyfyniad APA

Transportation Journal (American Society of Transportation & Logistics Inc). American Society of Transportation & Logistics Inc.

Dyfyniad Arddull Chicago

Transportation Journal (American Society of Transportation & Logistics Inc). American Society of Transportation & Logistics Inc.

Dyfyniad MLA

Transportation Journal (American Society of Transportation & Logistics Inc). American Society of Transportation & Logistics Inc.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.