Time Inc. Home Entertainment & Knauer, K. (2010). History's greatest events : 100 turning points that changed the world: An illustrated journey. Time Home Entertainment.
Cita Chicago (17th ed.)Time Inc. Home Entertainment i Kelly Knauer. History's Greatest Events : 100 Turning Points That Changed the World: An Illustrated Journey. New York: Time Home Entertainment, 2010.
Cita MLA (9th ed.)Time Inc. Home Entertainment i Kelly Knauer. History's Greatest Events : 100 Turning Points That Changed the World: An Illustrated Journey. Time Home Entertainment, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.