International Nannofossil Association. Conference, Crux, J. A., & Heck, S. E. v. (1989). Nannofossils and their applications: Proceedings of the International Nannofossil Association Conference, London, 1987. E. Horwood for the British Micropalaeontological Society Halsted Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Nannofossil Association. Conference, Jason A. Crux, και Shirley E. van Heck. Nannofossils and Their Applications: Proceedings of the International Nannofossil Association Conference, London, 1987. Chichester [England], New York: E. Horwood for the British Micropalaeontological Society Halsted Press, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)International Nannofossil Association. Conference, et al. Nannofossils and Their Applications: Proceedings of the International Nannofossil Association Conference, London, 1987. E. Horwood for the British Micropalaeontological Society Halsted Press, 1989.