Weil, D. N. (2013). Economic Growth (3rd ed.). Pearson.
Chicago Style (17th ed.) ZitazioaWeil, David N. Economic Growth. 3rd ed. Delhi: Pearson, 2013.
MLA (9th ed.) ZitazioaWeil, David N. Economic Growth. 3rd ed. Pearson, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.