COOKE, R., & DOORNKAMP, J. (1978). Geomorphology in environmental management: An introduction. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)COOKE, R.U, agus J.C DOORNKAMP. Geomorphology in Environmental Management: An Introduction. Oxford: Clarendon Press, 1978.
Lua MLA (9ú heag.)COOKE, R.U, agus J.C DOORNKAMP. Geomorphology in Environmental Management: An Introduction. Clarendon Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.