Ruby, G. (1989). Acrylic acid- grafted coir pith as a soil modifier. CUSAT.
Chicago Style aipamenaRuby, George. Acrylic Acid- Grafted Coir Pith as a Soil Modifier. Kochi: CUSAT, 1989.
MLA aipamenaRuby, George. Acrylic Acid- Grafted Coir Pith as a Soil Modifier. CUSAT, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.