Gaya APA

Tignor,Robert, . et al (2008). Worlds Together Worlds Apart: A history of the world (Ed.2). London: W.W.Norton And Company.

Gaya MLA

Tignor,Robert, . et al. "Worlds Together Worlds Apart: A history of the world". Ed.2 London: W.W.Norton And Company, 2008. Text.