APA (7e ed.) Bronvermelding

Thornton, H. V., & Aldrich, G. (1960). The government of Oklahoma. Harlow Pub. Co..

Chicago (17e ed.) Bronvermelding

Thornton, H. V., en Gene Aldrich. The Government of Oklahoma. Oklahoma City: Harlow Pub. Co., 1960.

MLA (8e ed.) Bronvermelding

Thornton, H. V., en Gene Aldrich. The Government of Oklahoma. Harlow Pub. Co., 1960.