APA aipamena

Cornwell, E. E. (1965). Presidential leadership of public opinion. Indiana University Press.

Chicago Style aipamena

Cornwell, Elmer E. Presidential Leadership of Public Opinion. Bloomington: Indiana University Press, 1965.

MLA aipamena

Cornwell, Elmer E. Presidential Leadership of Public Opinion. Indiana University Press, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.