APA

Welsh William A, United States, . (1981). Survey research and public attitudes in Eastern Europe and the Soviet Union. New York: Pergamon Press.

Chicago

Welsh William A, United States, . 1981. Survey research and public attitudes in Eastern Europe and the Soviet Union. New York: Pergamon Press.

Harvard

Welsh William A, United States, . (1981). Survey research and public attitudes in Eastern Europe and the Soviet Union. New York: Pergamon Press.

MLA

Welsh William A, United States, . Survey research and public attitudes in Eastern Europe and the Soviet Union. New York: Pergamon Press. 1981.