APA (7e ed.) Bronvermelding

Cooke, R. U. (1979). Assessment of geomorphological problems in urban areas of drylands: A report prepared for the United Nations University. United Nations University.

Chicago (17e ed.) Bronvermelding

Cooke, Ronald U. Assessment of Geomorphological Problems in Urban Areas of Drylands: A Report Prepared for the United Nations University. [New York?]: United Nations University, 1979.

MLA (8e ed.) Bronvermelding

Cooke, Ronald U. Assessment of Geomorphological Problems in Urban Areas of Drylands: A Report Prepared for the United Nations University. United Nations University, 1979.