Bitter, P. H. v. (1976). The appatatuus of Gondolella sublanceolata Gunnell (Conodontophorida, Upper-Pennsylvanian) and its relationship to Illinella typica Rhodes. R. Ont. Mus.
Chicago-Zitierstil (17. Ausg.)Bitter, Peter H. von. The Appatatuus of Gondolella Sublanceolata Gunnell (Conodontophorida, Upper-Pennsylvanian) and Its Relationship to Illinella Typica Rhodes. Ontario: R. Ont. Mus, 1976.
MLA-Zitierstil (9. Ausg.)Bitter, Peter H. von. The Appatatuus of Gondolella Sublanceolata Gunnell (Conodontophorida, Upper-Pennsylvanian) and Its Relationship to Illinella Typica Rhodes. R. Ont. Mus, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.