APA
'problems of world security environment a. d. (. A. . S. R., . (1971). Twenty-first pugwash conference on science and world affairs. : .
Chicago
'problems of world security environment and development (26th Aug Sinaia Romania), . 1971. Twenty-first pugwash conference on science and world affairs. : .
Harvard
'problems of world security environment a. d. (. A. . S. R., . (1971). Twenty-first pugwash conference on science and world affairs. : .
MLA
'problems of world security environment and development (26th Aug Sinaia Romania), . Twenty-first pugwash conference on science and world affairs. : . 1971.
