Voorhees, D. (2009). The essential book of useless information: The most unimportant things you'll never need to know. Perigee.
Citazione stile Chigago Style (17a edizione)Voorhees, Don. The Essential Book of Useless Information: The Most Unimportant Things You'll Never Need to Know. New York: Perigee, 2009.
Citatione MLA (9a ed.)Voorhees, Don. The Essential Book of Useless Information: The Most Unimportant Things You'll Never Need to Know. Perigee, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.