References
Blake, Jarrod. "Solar Shingles Information." Ezinearticles. N.p., 11 Sept. 2014. Web. 9 Sept. 2014.
"Solar Shingles." - National Solar Institute. N.p., 15 Sept. 2014. Web. 15 Sept. 2014.
"Solar Roofing Shingles Could Make Clean Energy More Affordable." SmartBrief. N.p., 2014. Web. 15 Sept. 2014
Blake, Jarrod. "Solar Shingles Information." Ezinearticles. N.p., 11 Sept. 2014. Web. 9 Sept. 2014.
"Solar Shingles." - National Solar Institute. N.p., 15 Sept. 2014. Web. 15 Sept. 2014.
"Solar Roofing Shingles Could Make Clean Energy More Affordable." SmartBrief. N.p., 2014. Web. 15 Sept. 2014