1. Spending on pets projected to hit all-time high;American Veterinary Medical Association,2006
2. Guilt: an interpersonal approach;Baumeister;Psychol Bull,1994
3. Reference group influence on product and brand purchase decisions;Bearden;J Consum Res,1982
4. Between pets and people: the importance of animal companionship,1983
5. Metaphoric relationships with pets;Belk,1996