2007 — Joseph Nigro & Nicholas Nigro, 101 Best Businesses for Pet Lovers: What You Need to Know about Starting and Succeeding in a Pet Business of Your Own, Sphinx Publishing (2007), →ISBN, page 69:
The pet product parties are known here as "Pupperware parties."
2008 — Nicholas Nigro, No Job? No Prob!: Pay Your Bills, Feed Your Mind, and Have a Blast When You're Out of Work, Skyhorse Publishing (2008), →ISBN, page 183:
To get a feel for what these kinds of parties entail, check out ShurePets.com, a company that christens you a pet consultant and arms you with the necessary trappings of a Pupperware party.
2009 — Richard Stim & Lisa Guernin, Running a Side Business: How to Create a Second Income, Nolo (2009), →ISBN, page 20:
Whether you walk them, groom them, train them, house-sit them, or create pet parties (Pupperware, anyone?), there's a pet side business for you.
