WILSON, E. (1990). Engineering Hydrolgy E.m.wilson. Macmillan.
Chicago Style aipamenaWILSON, E.M. Engineering Hydrolgy E.m.wilson. Macmillan, 1990.
MLA aipamenaWILSON, E.M. Engineering Hydrolgy E.m.wilson. Macmillan, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.