APA
"UN I. P. S. O. T. D. O. T. P. I. I. D. C. (. (., "UN I. P. S. O. T. D. O. T. P. I. I. D. C. (. (., . (1970). Report. New: York United Nations USA.
Chicago
"UN Interregional Petrochemical Symposium On The Development Of The Petrochemical Industries In Developing Countires (Bapu) (1969)", "UN Interregional Petrochemical Symposium On The Development Of The Petrochemical Industries In Developing Countires (Bapu) (1969)", . 1970. Report. New: York United Nations USA.
Harvard
"UN I. P. S. O. T. D. O. T. P. I. I. D. C. (. (., "UN I. P. S. O. T. D. O. T. P. I. I. D. C. (. (., . (1970). Report. New: York United Nations USA.
MLA
"UN Interregional Petrochemical Symposium On The Development Of The Petrochemical Industries In Developing Countires (Bapu) (1969)", "UN Interregional Petrochemical Symposium On The Development Of The Petrochemical Industries In Developing Countires (Bapu) (1969)", . Report. New: York United Nations USA. 1970.
