Παραπομπή APA

Perker, B. F. (1991). Solar energy in agriculture. Elsevier Publishing Company.

Παραπομπή Chicago Style

Perker, Blaine F. Solar Energy in Agriculture. Amsterdam: Elsevier Publishing Company, 1991.

Παραπομπή MLA

Perker, Blaine F. Solar Energy in Agriculture. Elsevier Publishing Company, 1991.