Spiegel, R. (2012). Green building materials: A guide to product selection and specification (3rd ed.). Wiley.
Chicago-Zitierstil (17. Ausg.)Spiegel, Ross. Green Building Materials: A Guide to Product Selection and Specification. 3rd ed. Hoboken, N.J: Wiley, 2012.
MLA-Zitierstil (9. Ausg.)Spiegel, Ross. Green Building Materials: A Guide to Product Selection and Specification. 3rd ed. Wiley, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.