Παραπομπή σε μορφή APA (7η εκδ.)

Ambar, S. M. (2012). How governors built the modern American presidency. University of Pennsylvania Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ambar, Saladin M. How Governors Built the Modern American Presidency. Philadelphia: University of Pennsylvania Press, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ambar, Saladin M. How Governors Built the Modern American Presidency. University of Pennsylvania Press, 2012.