APA
"UNITED NATIONS P. I., "UNITED NATIONS P. I., . (1965). Landmarks in international cooperation. New: York United Nations U S A.
Chicago
"UNITED NATIONS PUBLIC INFORMATION(Office).", "UNITED NATIONS PUBLIC INFORMATION(Office).", . 1965. Landmarks in international cooperation. New: York United Nations U S A.
Harvard
"UNITED NATIONS P. I., "UNITED NATIONS P. I., . (1965). Landmarks in international cooperation. New: York United Nations U S A.
MLA
"UNITED NATIONS PUBLIC INFORMATION(Office).", "UNITED NATIONS PUBLIC INFORMATION(Office).", . Landmarks in international cooperation. New: York United Nations U S A. 1965.
