Παραπομπή APA

Robson, T. O. (1972). The control of aquatic weeds. H.M.S.O.

Παραπομπή Chicago Style

Robson, T. O. The Control of Aquatic Weeds. London: H.M.S.O, 1972.

Παραπομπή MLA

Robson, T. O. The Control of Aquatic Weeds. H.M.S.O, 1972.