Blackshaw, J. K., & Allan, D. J. (1988). Notes on some topics in applied animal behaviour (4th ed.). School of Veterinary Science, University of Queensland.

Blackshaw, Judith K., and David J. Allan. Notes on Some Topics in Applied Animal Behaviour. 4th ed. St Lucia, Qld.: School of Veterinary Science, University of Queensland, 1988.

Blackshaw, Judith K., and David J. Allan. Notes on Some Topics in Applied Animal Behaviour. 4th ed. School of Veterinary Science, University of Queensland, 1988.