Perker, B. F. (1991). Solar energy in agriculture. Elsevier Publishing Company.
Chicago Edition CitationPerker, Blaine F. Solar Energy in Agriculture. Amsterdam: Elsevier Publishing Company, 1991.
Cita MLAPerker, Blaine F. Solar Energy in Agriculture. Elsevier Publishing Company, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.