Citazione Stile APA (7a Edizione)

Lewis, J. P., & Uphoff, N. T. (1988). Strengthening the poor: What have we learned? Transaction Books.

Citazione stile Chigago Style (17a edizione)

Lewis, John P., e Norman Thomas Uphoff. Strengthening the Poor: What Have We Learned? New Brunswick, USA: Transaction Books, 1988.

Citatione MLA (8a ed.)

Lewis, John P., e Norman Thomas Uphoff. Strengthening the Poor: What Have We Learned? Transaction Books, 1988.