APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.