Silvester, R., & HSU, J. R. C. (1997). Coastal Stabilization. World scientific.
Chicago Style aipamenaSilvester, Richard, and John R C. HSU. Coastal Stabilization. London: World scientific, 1997.
MLA aipamenaSilvester, Richard, and John R C. HSU. Coastal Stabilization. World scientific, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.