Gaya APA

Nathan, A, J, &, R, R, S. (1997). The great wall and the empty fortress: China's search for security. . New York & London: New York & London WW Norton & Company.

Gaya MLA

Nathan, Andrew, J., &, Ross,, Robert, S.. "The great wall and the empty fortress: China's search for security. ". New York & London: New York & London WW Norton & Company, 1997. Buku.