1.
Guide to excursion. Praha: The Geological Survey of Czechoslovakia; 1967.
Guide to excursion. Praha : The Geological Survey of Czechoslovakia, 15 juin 1967
Chaloupsky Josef. (1967). Guide to excursion: 8 Geology of the West Sudeten. The Geological Survey of Czechoslovakia.
Style de citation MLA (8e éd.)Chaloupsky Josef. Guide to Excursion: 8 Geology of the West Sudeten. The Geological Survey of Czechoslovakia, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.