APA
"United Nations I. E. a. S. A. o., "United Nations I. E. a. S. A. o., . (1990). International cooperation in tax matters. New: York United Nations U S A.
Chicago
"United Nations International Economic and Social Affairs(Deptt of-)", "United Nations International Economic and Social Affairs(Deptt of-)", . 1990. International cooperation in tax matters. New: York United Nations U S A.
Harvard
"United Nations I. E. a. S. A. o., "United Nations I. E. a. S. A. o., . (1990). International cooperation in tax matters. New: York United Nations U S A.
MLA
"United Nations International Economic and Social Affairs(Deptt of-)", "United Nations International Economic and Social Affairs(Deptt of-)", . International cooperation in tax matters. New: York United Nations U S A. 1990.
