APA-referens (7:e uppl.)
Popadiuk, R. (2009). The leadership of George Bush: An insider's view of the forty-first president. Texas A&M University Press.
Chicago-referens (17:e uppl.)
Popadiuk, Roman. The Leadership of George Bush: An Insider's View of the Forty-first President. College Station: Texas A&M University Press, 2009.
MLA-referens (9:e uppl.)
Popadiuk, Roman. The Leadership of George Bush: An Insider's View of the Forty-first President. Texas A&M University Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.