Robson, T. O. (1972). The control of aquatic weeds. H.M.S.O.
Chicago Style aipamenaRobson, T. O. The Control of Aquatic Weeds. London: H.M.S.O, 1972.
MLA aipamenaRobson, T. O. The Control of Aquatic Weeds. H.M.S.O, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.