PD Tyagi. (1989). Fuel from waste and weeds. Batra book service.
Chicago Edition CitationPD Tyagi. Fuel from Waste and Weeds. New Delhi: Batra book service, 1989.
MLA Edition CitationPD Tyagi. Fuel from Waste and Weeds. Batra book service, 1989.
Warning: These citations may not always be 100% accurate.