Gaya APA
Kreith, F., West, R, E. (1980).
Economics of Solar Energy & Conservation Systems, Vol 1: General Principles .
Boca Raton:
CRC PRESS.
Gaya MLA
Kreith, Frank., West, Ronald, E..
"Economics of Solar Energy & Conservation Systems, Vol 1: General Principles".
Boca Raton:
CRC PRESS,
1980.
Text.