Khan,M.A. (2002). Watershed management: For sustainable agriculture. Agrobios.
Chicago Style aipamenaKhan,M.A. Watershed Management: For Sustainable Agriculture. Jodhpur: Agrobios, 2002.
MLA aipamenaKhan,M.A. Watershed Management: For Sustainable Agriculture. Agrobios, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.