APA-ийн эшлэл(7 дахь хэвлэлт)

COOKE, R., & DOORNKAMP, J. (1978). Geomorphology in environmental management: An introduction. Clarendon Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

COOKE, R.U, ба J.C DOORNKAMP. Geomorphology in Environmental Management: An Introduction. Oxford: Clarendon Press, 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

COOKE, R.U, ба J.C DOORNKAMP. Geomorphology in Environmental Management: An Introduction. Clarendon Press, 1978.