Citação norma APA
Keen, M. (2000). VIVAT, CVAT and all that: New forms of value-added tax for federal systems. International Monetary Fund.
Citação norma Chicago
Keen, Michael. VIVAT, CVAT and All That: New Forms of Value-added Tax for Federal Systems. Washington: International Monetary Fund, 2000.
Citação norma MLA
Keen, Michael. VIVAT, CVAT and All That: New Forms of Value-added Tax for Federal Systems. International Monetary Fund, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.