Dyer, A. F. (2002). Fern flora worldwide: threats and responses: Proceedings of the international symposium at the University of Surrey, Guildford, UK, 23 - 26 July 2001. British Pteridological Soc.
Chicago-Zitierstil (17. Ausg.)Dyer, Adrian F. Fern Flora Worldwide: Threats and Responses: Proceedings of the International Symposium at the University of Surrey, Guildford, UK, 23 - 26 July 2001. London: British Pteridological Soc, 2002.
MLA-Zitierstil (9. Ausg.)Dyer, Adrian F. Fern Flora Worldwide: Threats and Responses: Proceedings of the International Symposium at the University of Surrey, Guildford, UK, 23 - 26 July 2001. British Pteridological Soc, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.