APA

wulf l. d., sokol j. b., . (2004). Customs Modernization Initiatives :case studies. washington: The International Bank For Reconstruction and development.

Chicago

wulf luc de, sokol jose b, . 2004. Customs Modernization Initiatives :case studies. washington: The International Bank For Reconstruction and development.

Harvard

wulf l. d., sokol j. b., . (2004). Customs Modernization Initiatives :case studies. washington: The International Bank For Reconstruction and development.

MLA

wulf luc de, sokol jose b, . Customs Modernization Initiatives :case studies. washington: The International Bank For Reconstruction and development. 2004.