Ashton-Jones, N. J. (2000). A guide to understanding the environment. National Integrated Protected Areas Programme, Protected Areas and Wildlife Bureau.
Citação norma ChicagoAshton-Jones, Nick J. A Guide to Understanding the Environment. Quezon City: National Integrated Protected Areas Programme, Protected Areas and Wildlife Bureau, 2000.
Citação norma MLAAshton-Jones, Nick J. A Guide to Understanding the Environment. National Integrated Protected Areas Programme, Protected Areas and Wildlife Bureau, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.