APA
"UNITED NATION T. C. F. D., "UNITED NATION T. C. F. D., . (1980). Nickel industry and the devleoping countries. New: York United Nations USA.
Chicago
"UNITED NATION TECHNICAL CO-OPERATION FOR DEVELOPMENT", "UNITED NATION TECHNICAL CO-OPERATION FOR DEVELOPMENT", . 1980. Nickel industry and the devleoping countries. New: York United Nations USA.
Harvard
"UNITED NATION T. C. F. D., "UNITED NATION T. C. F. D., . (1980). Nickel industry and the devleoping countries. New: York United Nations USA.
MLA
"UNITED NATION TECHNICAL CO-OPERATION FOR DEVELOPMENT", "UNITED NATION TECHNICAL CO-OPERATION FOR DEVELOPMENT", . Nickel industry and the devleoping countries. New: York United Nations USA. 1980.