APA (7th ed.) Zitazioa
Crawley, A. (2007). Somoza and Roosevelt: Good neighbour diplomacy in Nicaragua, 1933-1945. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Crawley, Andrew. Somoza and Roosevelt: Good Neighbour Diplomacy in Nicaragua, 1933-1945. Oxford ; New York: Oxford University Press, 2007.
MLA (9th ed.) Zitazioa
Crawley, Andrew. Somoza and Roosevelt: Good Neighbour Diplomacy in Nicaragua, 1933-1945. Oxford University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.