Cita APA (7th ed.)

ebrary, Inc, Evenett, S. J., & Jenny, F. (2012). Trade, competition, and the pricing of commodities. Centre for Economic Policy Research.

Cita Chicago (17th ed.)

ebrary, Inc, Simon J. Evenett, i Frederic Jenny. Trade, Competition, and the Pricing of Commodities. London: Centre for Economic Policy Research, 2012.

Cita MLA (9th ed.)

ebrary, Inc, et al. Trade, Competition, and the Pricing of Commodities. Centre for Economic Policy Research, 2012.