APA
OMF International (IHQ) Ltd, . (2007). History of East Asia. Singapore: .
Chicago
OMF International (IHQ) Ltd, . 2007. History of East Asia. Singapore: .
Harvard
OMF International (IHQ) Ltd, . (2007). History of East Asia. Singapore: .
MLA
OMF International (IHQ) Ltd, . History of East Asia. Singapore: . 2007.