Παραπομπή σε μορφή APA (7η εκδ.)

LeLoup, L. T., & Shull, S. A. (2003). The President and Congress: Collaboration and combat in national policymaking (2nd ed.). Longman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

LeLoup, Lance T., και Steven A. Shull. The President and Congress: Collaboration and Combat in National Policymaking. 2nd ed. New York: Longman, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

LeLoup, Lance T., και Steven A. Shull. The President and Congress: Collaboration and Combat in National Policymaking. 2nd ed. Longman, 2003.