APA
"UN S. C. F. E., "UN S. C. F. E., . (1997). International comparison of grass domestic product in Europe. : United Nations.
Chicago
"UN Statistical Commission For Europe", "UN Statistical Commission For Europe", . 1997. International comparison of grass domestic product in Europe. : United Nations.
Harvard
"UN S. C. F. E., "UN S. C. F. E., . (1997). International comparison of grass domestic product in Europe. : United Nations.
MLA
"UN Statistical Commission For Europe", "UN Statistical Commission For Europe", . International comparison of grass domestic product in Europe. : United Nations. 1997.
