(2007). The Cerion (Mollusca: Gastropoda: Pulmonata: Cerionidae) taxa of Charles Johnson Maynard and their type specimens. Harvard Univ.
Chicago-Zitierstil (17. Ausg.)The Cerion (Mollusca: Gastropoda: Pulmonata: Cerionidae) Taxa of Charles Johnson Maynard and Their Type Specimens. Cambridge, Mass: Harvard Univ, 2007.
MLA-Zitierstil (9. Ausg.)The Cerion (Mollusca: Gastropoda: Pulmonata: Cerionidae) Taxa of Charles Johnson Maynard and Their Type Specimens. Harvard Univ, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.