Brummer, G. J. A., & Kroon, D. (1988). Planktonic foraminifers as tracers of ocean-climate history: Ontogeny, relationships and preservation of modern species and stable isotopes, phenotypes and assemblage distribution in different water masses. Free University Press.
Chicago-viite (17. p.)Brummer, Gerard Johannes Augustinus, ja Dirk Kroon. Planktonic Foraminifers as Tracers of Ocean-climate History: Ontogeny, Relationships and Preservation of Modern Species and Stable Isotopes, Phenotypes and Assemblage Distribution in Different Water Masses. Amsterdam: Free University Press, 1988.
MLA-viite (8. p.)Brummer, Gerard Johannes Augustinus, ja Dirk Kroon. Planktonic Foraminifers as Tracers of Ocean-climate History: Ontogeny, Relationships and Preservation of Modern Species and Stable Isotopes, Phenotypes and Assemblage Distribution in Different Water Masses. Free University Press, 1988.