American Psychological Association
Hudson, G F ( 1971 ). Fifty Years of Communism Theory and Practice 1917-16 ( 00 ed. ). Harmondsword Middlesex.
Modern Language Association
Hudson, G F. Fifty Years of Communism Theory and Practice 1917-16 . Harmondsword Middlesex. 1971
Chicago Citation
Hudson, G F. Fifty Years of Communism Theory and Practice 1917-16 . 00 .England
: Harmondsword Middlesex, 1971.
American Medical Association
Hudson, G F. Fifty Years of Communism Theory and Practice 1917-16 . Harmondsword Middlesex; 1971.