Part of the Humane Society, this part of the site outlines some habits of responsible pet owners and what the benefits are to being a good pet owner.  Links to the rest of the Human Society's site are available as well. The full website URL is found below:

www.hsus.org/pets/pet_care/renting_with_pets_the_online_resource_for_
rental_managers_and_pet_owners/finding_petfriendly_rental_h_petfriendly_rental_housing/
are_you_a_responsible_pet_owner.html

This site outlines some ways you can be a good pet owner and what good pet owners do that make them stand out from bad ones.  It also provides pet ownership links if you want more information.

This site outlines all the basic questions of pet ownership, from how to train and what to feed them from pet insurance and how to introduce a pet to kids.  A great site for some of the more detailed questions about pet ownership.

Colorful and with graphics, this site goes over why being a responsible pet owner is important as well as how animals impact our society today.  It gives a list of what responsible pet owners do as well.

Even though this site is based out of Australia, caring for pets is the same all over the country.  With a section on the 'ten commandments' of pet ownership, how to be a responsible owner, and how to pick a pet, this site is a great place for anyone considering a new pet.

This site is a simple outline that lists all the things you need to take into consideration before owning a pet.  From finances to diet, health care to life style changes, this site is a good checklist to make sure you've thought of everything before you bring a pet home.