1. Association of American Feed Control Officials (AAFCO), 2011. Dogs and Cats Nutrient Profiles. Official Publication, pp. 146–162.
2. Association Française de NORmalisation (AFNOR), 1981. Official Publication.
3. Evaluation of the chemical composition of dry dog foods commercialized in Chile used for growing dogs;Alvarado;Arquivo Brasileiro de Medicina Veterinaria e Zootecnia,2008
4. Instrumental neutron activation analysis in a routine way;Bode;Journal of Trace and Microprobe Techniques,1990
5. Use of zinc acetate to treat copper toxicosis in dogs;Brewer;Journal of the American Veterinary Medical Association,1992