Phillips, B. (1990). Koalas: The little Australians we'd all hate to lose. Australian Govt. Publishing Service.
Chicago-viite (17. p.)Phillips, Bill. Koalas: The Little Australians We'd All Hate to Lose. Canberra: Australian Govt. Publishing Service, 1990.
MLA-viite (9. p.)Phillips, Bill. Koalas: The Little Australians We'd All Hate to Lose. Australian Govt. Publishing Service, 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.