APA aipamena

Kumar, S. (2009). Solid waste management. National Book Trust.

Chicago Style aipamena

Kumar, Surendra. Solid Waste Management. New delhi: National Book Trust, 2009.

MLA aipamena

Kumar, Surendra. Solid Waste Management. National Book Trust, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.