APA-referens (7:e uppl.)

Davidson, R. H. (1988). Congress and the presidency: Invitation to struggle. Sage.

Chicago-referens (17:e uppl.)

Davidson, Roger H. Congress and the Presidency: Invitation to Struggle. Newbury Park, Calif: Sage, 1988.

MLA-referens (9:e uppl.)

Davidson, Roger H. Congress and the Presidency: Invitation to Struggle. Sage, 1988.