BARRETT, C. (1987). Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio.
Chicago-referens (17:e uppl.)BARRETT, Colin. Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio, 1987.
MLA-referens (8:e uppl.)BARRETT, Colin. Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.