Kay, R., & Alder, J. Coastal planning and management (Second edition.). New York.
Chicago Style (17th ed.) ZitazioaKay, Robert, eta Jackie Alder. Coastal Planning and Management. Second edition. London: New York.
MLA (9th ed.) ZitazioaKay, Robert, eta Jackie Alder. Coastal Planning and Management. Second edition. New York.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.