APA
"U N S. C. a. E. C. f. E., "U N S. C. a. E. C. f. E., . (1994). International comparison of gross domestic product in Europe. : .
Chicago
"U N Statistical Commission and Economic Commission for Europe", "U N Statistical Commission and Economic Commission for Europe", . 1994. International comparison of gross domestic product in Europe. : .
Harvard
"U N S. C. a. E. C. f. E., "U N S. C. a. E. C. f. E., . (1994). International comparison of gross domestic product in Europe. : .
MLA
"U N Statistical Commission and Economic Commission for Europe", "U N Statistical Commission and Economic Commission for Europe", . International comparison of gross domestic product in Europe. : . 1994.
