Zippi, P. A. (1998). Freshwater algae from the Mattagami Formation (Albian), Ontario: Paleoecology, botanical affinities, and systematic taxonomy. Micropaleontology Press.
Chicago-Zitierstil (17. Ausg.)Zippi, Pierre A. Freshwater Algae from the Mattagami Formation (Albian), Ontario: Paleoecology, Botanical Affinities, and Systematic Taxonomy. New York, NY: Micropaleontology Press, 1998.
MLA-Zitierstil (9. Ausg.)Zippi, Pierre A. Freshwater Algae from the Mattagami Formation (Albian), Ontario: Paleoecology, Botanical Affinities, and Systematic Taxonomy. Micropaleontology Press, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.