Lobeck, A. (1939). Geomorphology: An introduction to the study of landscapes. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lobeck, A.K. Geomorphology: An Introduction to the Study of Landscapes. New York: McGraw-Hill, 1939.
Lua MLA (9ú heag.)Lobeck, A.K. Geomorphology: An Introduction to the Study of Landscapes. McGraw-Hill, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.