Παραπομπή APA

Smith, P. J. E., & Twitchett, D. E. (2009). The Sung dynasty and its precursors, 907-1279.

Παραπομπή Chicago Style

Smith, Paul Jakov; Editor, και Denis; Editor Twitchett. The Sung Dynasty and Its Precursors, 907-1279. Cambridge, Cambridge University Press, 2009.

Παραπομπή MLA

Smith, Paul Jakov; Editor, και Denis; Editor Twitchett. The Sung Dynasty and Its Precursors, 907-1279. 2009.