APA (7th ed.) Zitazioa

ebrary, Inc, Arrowsmith, S., & Kunzlik, P. F. (2009). Social and environmental policies in EC procurement law: New directives and new directions. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Sue Arrowsmith, eta Peter F. Kunzlik. Social and Environmental Policies in EC Procurement Law: New Directives and New Directions. Cambridge: Cambridge University Press, 2009.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. Social and Environmental Policies in EC Procurement Law: New Directives and New Directions. Cambridge University Press, 2009.