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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Commitee on Certification of Sustainable Products and Services, National Research Council (U.S.). Science and Technology for Sustainability Program, و Inc ebrary. Certifiably Sustainable?: The Role of Third-party Certification Systems: Report of a Workshop. Washington, D.C.: National Academies Press, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.