Dyfyniad APA
Norway/UN Conference on Alien Species, Sandlund, O. T., Schei, P. J., & Viken, Å. (1999). Invasive species and biodiversity management. Kluwer Academic.
Dyfyniad Arddull Chicago
Norway/UN Conference on Alien Species, O. T. Sandlund, Peter Johan Schei, and Åslaug Viken. Invasive Species and Biodiversity Management. Dordrecht, Netherlands ; Boston: Kluwer Academic, 1999.
Dyfyniad MLA
Norway/UN Conference on Alien Species, et al. Invasive Species and Biodiversity Management. Kluwer Academic, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.