APA (7th ed.) Zitazioa
ebrary, Inc, Weston, P. E., & Townsend, R. N. (2009). Welfare economics. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Paul E. Weston, eta Robert N. Townsend. Welfare Economics. New York: Nova Science Publishers, 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Welfare Economics. Nova Science Publishers, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.