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 Style (17. basım) AtıfBrummer, Gerard Johannes Augustinus, ve 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 (8th ed.) AtıfBrummer, Gerard Johannes Augustinus, ve 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.