APA (7e ed.) Bronvermelding

Barnett, J. D. (1915). The operation of the initiative, referendum and recall in Oregon. Macmillan Company.

Chicago (17e ed.) Bronvermelding

Barnett, James D. The Operation of the Initiative, Referendum and Recall in Oregon. New York: Macmillan Company, 1915.

MLA (8e ed.) Bronvermelding

Barnett, James D. The Operation of the Initiative, Referendum and Recall in Oregon. Macmillan Company, 1915.