Calkins, M. (2009). Materials for sustainable sites: A complete guide to the evaluation, selection, and use of sustainable construction materials. Wiley.
Chicago-referens (17:e uppl.)Calkins, Meg. Materials for Sustainable Sites: A Complete Guide to the Evaluation, Selection, and Use of Sustainable Construction Materials. Hoboken, N.J: Wiley, 2009.
MLA-referens (9:e uppl.)Calkins, Meg. Materials for Sustainable Sites: A Complete Guide to the Evaluation, Selection, and Use of Sustainable Construction Materials. Wiley, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.