Snell, C., Callahan, T., Krautwurst, T., Sheldon, K., & Rollin, O. (2005). Building green: A complete how to guide to alternative building methods earth plaster, straw bale, cordwood, cob, living rooms. New York: Lark Books.

Snell, Clarke, Tim Callahan, Terry Krautwurst, Kathy Sheldon, and Olivier Rollin. Building Green: A Complete How to Guide to Alternative Building Methods Earth Plaster, Straw Bale, Cordwood, Cob, Living Rooms. New York: Lark Books, 2005.

Snell, Clarke, et al. Building Green: A Complete How to Guide to Alternative Building Methods Earth Plaster, Straw Bale, Cordwood, Cob, Living Rooms. New York: Lark Books, 2005.