APA (7e ed.) Bronvermelding
Hubbard, R. G., & Duggan, W. R. (2009). The aid trap: Hard truths about ending poverty. Columbia Business School Pub..
Chicago (17e ed.) Bronvermelding
Hubbard, R. Glenn, en William R. Duggan. The Aid Trap: Hard Truths About Ending Poverty. New York: Columbia Business School Pub., 2009.
MLA (9e ed.) Bronvermelding
Hubbard, R. Glenn, en William R. Duggan. The Aid Trap: Hard Truths About Ending Poverty. Columbia Business School Pub., 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.