ProQuest (Firm), Wulf, L. d., & Sokol, J. B. (2004). Customs modernization initiatives: Case studies. Washington, DC: World Bank.
Chicago Style CitationProQuest (Firm), Luc de Wulf, and Jose B. Sokol. Customs Modernization Initiatives: Case Studies. Washington, DC: World Bank, 2004.
MLA CitationProQuest (Firm), Luc de Wulf, and Jose B. Sokol. Customs Modernization Initiatives: Case Studies. Washington, DC: World Bank, 2004.
Warning: These citations may not always be 100% accurate.