Cita APA

ebrary, Inc, Weston, P. E., & Townsend, R. N. (2009). Welfare economics. Nova Science Publishers.

Citación estilo Chicago

ebrary, Inc, Paul E. Weston, and Robert N. Townsend. Welfare Economics. New York: Nova Science Publishers, 2009.

Cita MLA

ebrary, Inc, et al. Welfare Economics. Nova Science Publishers, 2009.