APA
(1983). Small-scale solar-powered pumping systems. LOndon: Sie William H & Parners.
Chicago
1983. Small-scale solar-powered pumping systems. LOndon: Sie William H & Parners.
Harvard
(1983). Small-scale solar-powered pumping systems. LOndon: Sie William H & Parners.
MLA
Small-scale solar-powered pumping systems. LOndon: Sie William H & Parners. 1983.