APA (7e ed.) Bronvermelding

Keen, M. (2003). Changing Customs: Challenges and Strategies for the Reform of Customs Administration. International Monetary Fund.

Chicago (17e ed.) Bronvermelding

Keen, Michael. Changing Customs: Challenges and Strategies for the Reform of Customs Administration. Washington, D.C.: International Monetary Fund, 2003.

MLA (8e ed.) Bronvermelding

Keen, Michael. Changing Customs: Challenges and Strategies for the Reform of Customs Administration. International Monetary Fund, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.