Sax, K., & Levine, A. (1982). Philadelphia solar directory: Including Bucks, Chester, Delaware and Montgomery Counties. Philadelphia: Philadelphia Solar Energy Association.
Chicago Style CitationSax, Kathy., and Adam Levine. Philadelphia Solar Directory: Including Bucks, Chester, Delaware and Montgomery Counties. Philadelphia: Philadelphia Solar Energy Association, 1982.
MLA CitationSax, Kathy., and Adam Levine. Philadelphia Solar Directory: Including Bucks, Chester, Delaware and Montgomery Counties. Philadelphia: Philadelphia Solar Energy Association, 1982.