Gaya APA

Williams, H. (2006). Days That Changed the World: The 50 Defining Events of World History . London: Quercus Publishing Plc.

Gaya MLA

Williams, Hywel. "Days That Changed the World: The 50 Defining Events of World History". London: Quercus Publishing Plc, 2006. GEN - Bacaan/Seri Non-Fiksi.