Não informado. (1991). Canadian Transportation Logistics. Southam Business Communications.
Chicago-referens (17:e uppl.)Não informado. Canadian Transportation Logistics. Don Mills, Canada: Southam Business Communications, 1991.
MLA-referens (8:e uppl.)Não informado. Canadian Transportation Logistics. Southam Business Communications, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.