Hall, A., & Cannell, G. L. (1979). Aghriculture in Semi-Aid environment. Springer-Verlag.
Chicago Style aipamenaHall, A.E, and G.H. Lawton Cannell. Aghriculture in Semi-Aid Environment. New York: Springer-Verlag, 1979.
MLA aipamenaHall, A.E, and G.H. Lawton Cannell. Aghriculture in Semi-Aid Environment. Springer-Verlag, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.