Yadav,Seema. (2014). Siols and soil Fertility. Centrum Press.
Chicago Style aipamenaYadav,Seema. Siols and Soil Fertility. New Delhi: Centrum Press, 2014.
MLA aipamenaYadav,Seema. Siols and Soil Fertility. Centrum Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.