APA

Schuman F., . (1963). Government in the Soviet Union. Estados Unidos: Crowell Comparative Goverment Series.

Chicago

Schuman Frederick, . 1963. Government in the Soviet Union. Estados Unidos: Crowell Comparative Goverment Series.

Harvard

Schuman F., . (1963). Government in the Soviet Union. Estados Unidos: Crowell Comparative Goverment Series.

MLA

Schuman Frederick, . Government in the Soviet Union. Estados Unidos: Crowell Comparative Goverment Series. 1963.