(2006). The Early Cretaceous (Late Ryazanian - Early Hauterivian) ammonite fauna of North-East Greenland: Taxonomy, biostratigraphy, and biogeography. Taylor & Francis.
Chicago-Zitierstil (17. Ausg.)The Early Cretaceous (Late Ryazanian - Early Hauterivian) Ammonite Fauna of North-East Greenland: Taxonomy, Biostratigraphy, and Biogeography. Oslo: Taylor & Francis, 2006.
MLA-Zitierstil (9. Ausg.)The Early Cretaceous (Late Ryazanian - Early Hauterivian) Ammonite Fauna of North-East Greenland: Taxonomy, Biostratigraphy, and Biogeography. Taylor & Francis, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.