Conference on Energy-Conserving, Solar-Heated Greenhouses Marlboro College, Total Environmental Action, inc. (Harrisville, N.H.), Hayes, J., Gillett, D., & Scully, D. (1977). Proceedings of the Conference on Energy-Conserving, Solar-Heated Greenhouses held at Marlboro College, Marlboro, Vermont on November 19 & 20, 1977. s.n..
Chicago-referens (17:e uppl.)Conference on Energy-Conserving, Solar-Heated Greenhouses Marlboro College, inc. (Harrisville Total Environmental Action, John Hayes, Drew Gillett, och Dan Scully. Proceedings of the Conference on Energy-Conserving, Solar-Heated Greenhouses Held at Marlboro College, Marlboro, Vermont on November 19 & 20, 1977. [Vermont?: s.n., 1977.
MLA-referens (8:e uppl.)Conference on Energy-Conserving, Solar-Heated Greenhouses Marlboro College, et al. Proceedings of the Conference on Energy-Conserving, Solar-Heated Greenhouses Held at Marlboro College, Marlboro, Vermont on November 19 & 20, 1977. s.n., 1977.