Calkins, M. (2009). Materials for sustainable sites: A complete guide to the evaluation, selection, and use of sustainable construction materials. Wiley.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)Calkins, Meg. Materials for Sustainable Sites: A Complete Guide to the Evaluation, Selection, and Use of Sustainable Construction Materials. Wiley, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.