Kennedy, V. H., Horrill, A. D., & Livens, F. R. (1990). Radioactivity and wildlife. Nature Conservancy Council.
Chicago Style aipamenaKennedy, V. H., A. D. Horrill, and F. R. Livens. Radioactivity and Wildlife. Petersburgh, Eng.: Nature Conservancy Council, 1990.
MLA aipamenaKennedy, V. H., et al. Radioactivity and Wildlife. Nature Conservancy Council, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.