Bromhead, E. N. (1999). The stability of slopes (2nd ed.). Spon.
Chicago Style aipamenaBromhead, E. N. The Stability of Slopes. 2nd ed. London: Spon, 1999.
MLA aipamenaBromhead, E. N. The Stability of Slopes. 2nd ed. Spon, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.