Lua APA (7ú heag.)
Pfiffner, O. A. (2014). Geology of the Alps (Revised and updated translation of Geologie der Alpen, Second edition.). John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Pfiffner, Othmar Adrian. Geology of the Alps. Revised and updated translation of Geologie der Alpen, Second edition. West Sussex, England: John Wiley & Sons, 2014.
Lua MLA (9ú heag.)
Pfiffner, Othmar Adrian. Geology of the Alps. Revised and updated translation of Geologie der Alpen, Second edition. John Wiley & Sons, 2014.
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