Johannessen, B. (1999). Contracts management: Labour-based road construction works. Asian Development Bank.
Čikaški stil citiranja (17. izdanje)Johannessen, Bjórn. Contracts Management: Labour-based Road Construction Works. Phnom, Pehn: Asian Development Bank, 1999.
MLA način citiranja (9. izdanje)Johannessen, Bjórn. Contracts Management: Labour-based Road Construction Works. Asian Development Bank, 1999.
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