APA (7th ed.) Zitazioa
National Research Council (U.S.). Commitee on Certification of Sustainable Products and Services, National Research Council (U.S.). Science and Technology for Sustainability Program, & ebrary, Inc. (2010). Certifiably sustainable?: The role of third-party certification systems: report of a workshop. National Academies Press.
Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Commitee on Certification of Sustainable Products and Services, National Research Council (U.S.). Science and Technology for Sustainability Program, eta Inc ebrary. Certifiably Sustainable?: The Role of Third-party Certification Systems: Report of a Workshop. Washington, D.C.: National Academies Press, 2010.
MLA (9th ed.) Zitazioa
National Research Council (U.S.). Commitee on Certification of Sustainable Products and Services, et al. Certifiably Sustainable?: The Role of Third-party Certification Systems: Report of a Workshop. National Academies Press, 2010.
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