Flügel Helmut W. (1975). Evolution and palaeogeography of the variscan of Neo-Europe. Szeged.
Chicago Style (17th ed.) CitationFlügel Helmut W. Evolution and Palaeogeography of the Variscan of Neo-Europe. University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1975.
MLA idézésFlügel Helmut W. Evolution and Palaeogeography of the Variscan of Neo-Europe. Szeged, 1975.
Figyelem: ezek az hivatkozások nem 100%-ban pontosak..