Lobeck, A. K. (1939). Geomorphology, an introduction to the study of landscapes. McGraw-Hill book company.
Citazione stile Chigago Style (17a edizione)Lobeck, Armin Kohl. Geomorphology, an Introduction to the Study of Landscapes. New York: McGraw-Hill book company, 1939.
Citatione MLA (9a ed.)Lobeck, Armin Kohl. Geomorphology, an Introduction to the Study of Landscapes. McGraw-Hill book company, 1939.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.