APA (7e ed.) Bronvermelding

Seligman, L. G., & Covington, C. R. 1. ,. (1989). The coalitional presidency. Dorsey Press.

Chicago (17e ed.) Bronvermelding

Seligman, Lester G., en Cary Raymond 1951- ,4eauthor Covington. The Coalitional Presidency. Chicago, Ill: Dorsey Press, 1989.

MLA (9e ed.) Bronvermelding

Seligman, Lester G., en Cary Raymond 1951- ,4eauthor Covington. The Coalitional Presidency. Dorsey Press, 1989.