APA

(1994). Directory of import regimes: Part I monitoring import regimes. New York: United Nations.

Chicago

1994. Directory of import regimes: Part I monitoring import regimes. New York: United Nations.

Harvard

(1994). Directory of import regimes: Part I monitoring import regimes. New York: United Nations.

MLA

Directory of import regimes: Part I monitoring import regimes. New York: United Nations. 1994.