Παραπομπή APA

Truman, D. B. (1963). The governmental process: Political interests and public opinion. Alfred A Knopf.

Παραπομπή Chicago Style

Truman, David B. The Governmental Process: Political Interests and Public Opinion. New York: Alfred A Knopf, 1963.

Παραπομπή MLA

Truman, David B. The Governmental Process: Political Interests and Public Opinion. Alfred A Knopf, 1963.