BARRETT, C. (1987). Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio.
Čikaški stil citiranja (17. izdanje)BARRETT, Colin. Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio, 1987.
MLA način citiranja (8. izdanje)BARRETT, Colin. Practical Handbook Of Transportation Contracting And Rate Negotiation Collin Barrett. The Traffic Service Corporatio, 1987.
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