Ettus, S. (2008). The experts' guide to doing things faster: 100 ways to make life more efficient. Clarkson Potter.
Citazione stile Chigago Style (17a edizione)Ettus, Samantha. The Experts' Guide to Doing Things Faster: 100 Ways to Make Life More Efficient. New York: Clarkson Potter, 2008.
Citatione MLA (9a ed.)Ettus, Samantha. The Experts' Guide to Doing Things Faster: 100 Ways to Make Life More Efficient. Clarkson Potter, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.