APA aipamena

Heaton, H., & Johnson, A. (1948). Socialism in Western Europa. New York: Foreign Policy Association.

Chicago Style aipamena

Heaton, Herbert, and Alvin Johnson. Socialism in Western Europa. New York: Foreign Policy Association, 1948.

MLA aipamena

Heaton, Herbert, and Alvin Johnson. Socialism in Western Europa. New York: Foreign Policy Association, 1948.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.