APA

Wulf L. D., Sokol J. B., . (2005). Customs Modernization Hand Book. washington: The International Bank For Reconstruction and development.

Chicago

Wulf Luc De, Sokol Jose B, . 2005. Customs Modernization Hand Book. washington: The International Bank For Reconstruction and development.

Harvard

Wulf L. D., Sokol J. B., . (2005). Customs Modernization Hand Book. washington: The International Bank For Reconstruction and development.

MLA

Wulf Luc De, Sokol Jose B, . Customs Modernization Hand Book. washington: The International Bank For Reconstruction and development. 2005.