Charles, J. (2008). How to Make an Old Dog Happy. Canadian Veterinary Medical Association.
Chicago-stil citatCharles, Jennifer. How to Make an Old Dog Happy. Canadian Veterinary Medical Association, 2008.
MLA-referensCharles, Jennifer. How to Make an Old Dog Happy. Canadian Veterinary Medical Association, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.