Lindsey, Steven R.Handbook of Applied Dog Behavior and Training, Volume Two, Etiology and Assessment of Behavior Problems.
Milani Myrna DVM. The Body Language and Emotion of Dogs, A Practical Guide to the Physical and Behavioral Displays Owners And Dogs Exchange and How to Use Them to Create a Lasting Bond
Lindsey, Steven R.Handbook of Applied Dog Behavior and Training, Volume One, Adaption and Learning.
Lindsey, Steven R.Handbook of Applied Dog Behavior and Training, Volume Three, Procedures and Protocols.