Understanding Your Dogde David AldertonMateriasDogsHuman-animal communicationBehaviorEdiciones (1)Understanding Your Dog (2016)Ryland Peters & Small · inglés · ISBN 9781782493921Más obras de David AldertonBBeginner's guide to cockatoosBeginner's guide to cockatoos1984A birdkeeper's guide to parakeets1998BBudgerigarsBudgerigars1981