APA citiranje

Wulf, L. D. (2005). Customs modernization handbook. Wasington: The World Bank.

Trích dẫn kiểu Chicago

Wulf, Luc De. Customs Modernization Handbook. Wasington: The World Bank, 2005.

MLA citiranje

Wulf, Luc De. Customs Modernization Handbook. Wasington: The World Bank, 2005.

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