एपीए उद्धरण

Butti, K. (1980). A golden thread: 2500 years of solar architecture and technology. Palo Alto: Cheshire Books.

शिकागो स्टाइल उद्धरण

Butti, Ken. A Golden Thread: 2500 Years of Solar Architecture and Technology. Palo Alto: Cheshire Books, 1980.

एमएलए उद्धरण

Butti, Ken. A Golden Thread: 2500 Years of Solar Architecture and Technology. Palo Alto: Cheshire Books, 1980.