Voorhees, D. (2009). The essential book of useless information: The most unimportant things you'll never need to know. Perigee.
Citace podle Chicago (17th ed.)Voorhees, Don. The Essential Book of Useless Information: The Most Unimportant Things You'll Never Need to Know. New York: Perigee, 2009.
Citace podle MLA (9th ed.)Voorhees, Don. The Essential Book of Useless Information: The Most Unimportant Things You'll Never Need to Know. Perigee, 2009.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..