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|Domestic dug (Canis lupus familiaris)|
References[eedit | eedit soorce]
- "USA German Shepherd Dog Standard". United Schutzhund Clubs of America. Archived frae the oreeginal on 10 June 2008.
- "GERMAN SHEPHERD DOG" (PDF). Fci.be. Retrieved 22 January 2018.
- Jones, Bretaigne, "Science of breeding", Royal Canin, American Kennel Club, archived frae the oreeginal on 3 September 2014, retrieved 3 September 2014
- O'Neill et al., (2012). "Longevity of UK Dog Breeds" (PDF). Royal Veterinary College, University of London. Archived frae the oreeginal (PDF) on 5 June 2013. Retrieved 18 January 2013.