Não informado. (1991). Canadian Transportation Logistics. Southam Business Communications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Canadian Transportation Logistics. Don Mills, Canada: Southam Business Communications, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Canadian Transportation Logistics. Southam Business Communications, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.