Gaya APA
TIGNOR, R. (2008).
Worlds Together worlds Apart: A History of the world From The Mongol Empire To The Present Volume 1 / TIGNOR, Robert (Ed. 2, Cet.1).
New York:
W.W.Norton And Company.
Gaya MLA
TIGNOR, Robert.
"Worlds Together worlds Apart: A History of the world From The Mongol Empire To The Present Volume 1 / TIGNOR, Robert".
Ed. 2, Cet.1
New York:
W.W.Norton And Company,
2008.
Text.