1. Dog Language - An Encyclopedia of Canine Behavior;Abrantes,1997
2. Demography of domestic dogs in rural and urban areas of the Coquimbo region of Chile and implications for disease transmission;Acosta-Jamett;Prev. Vet. Med.,2010
3. Alcock, J., 2009. Animal behavior: an evolutionary approach (9th ed.). Sinauer Associates, Sunderland, MA.
4. Behaviour of smaller and larger dogs: effects of training methods, inconsistency of owner behaviour and level of engagement in activities with the dog;Arhant;Appl. Anim. Behav. Sci.,2010
5. Exploring the role of vision in social foraging: what happens to group size, vigilance, spacing, aggression and habitat use in birds and mammals that forage at night?;Beauchamp;Biol. Rev.,2007