PENCK, W. (1972). Morphological analysis of land forms: A contribution to physical geology. Hafner.
Citazione stile Chigago Style (17a edizione)PENCK, Walther. Morphological Analysis of Land Forms: A Contribution to Physical Geology. New York: Hafner, 1972.
Citatione MLA (9a ed.)PENCK, Walther. Morphological Analysis of Land Forms: A Contribution to Physical Geology. Hafner, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.