Cita APA (7th ed.)
Riddell, R. (2007). Does foreign aid really work? Oxford University Press.
Cita Chicago (17th ed.)
Riddell, Roger. Does Foreign Aid Really Work? Oxford ; New York: Oxford University Press, 2007.
Cita MLA (9th ed.)
Riddell, Roger. Does Foreign Aid Really Work? Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.