Čejka, T. Falkner G. et al: Shelled gastropoda of Western Europe.
Chicago Style (17th ed.) CitationČejka, Tomáš. Falkner G. Et Al: Shelled Gastropoda of Western Europe.
MLA (9th ed.) CitationČejka, Tomáš. Falkner G. Et Al: Shelled Gastropoda of Western Europe.
Warning: These citations may not always be 100% accurate.
