Mallick, Stephen A.; Driessen, Michael M. (2003). "Feeding of wildlife: How effective are the 'Keep Wildlife Wild' signs in Tasmania's National Parks?". Ecological Management and Restoration. 4 (3): 199–204. Bibcode:2003EcoMR...4..199M. doi:10.1046/j.1442-8903.2003.00157.x.
Mallick, Stephen A.; Driessen, Michael M. (2003). "Feeding of wildlife: How effective are the 'Keep Wildlife Wild' signs in Tasmania's National Parks?". Ecological Management and Restoration. 4 (3): 199–204. Bibcode:2003EcoMR...4..199M. doi:10.1046/j.1442-8903.2003.00157.x.