Dyfyniad APA
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.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Commitee on Certification of Sustainable Products and Services, National Research Council (U.S.). Science and Technology for Sustainability Program, and Inc ebrary. Certifiably Sustainable?: The Role of Third-party Certification Systems: Report of a Workshop. Washington, D.C.: National Academies Press, 2010.
Dyfyniad MLA
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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.