Sino-Soviet Relations. A Country Study: China. Country Studies. Federal Research Division (Customized Research and Analytical Services, Library of Congress). 2013 [2014-07-19]. (原始内容存档于2012-05-23).
Sino-Soviet Relations. A Country Study: China. Country Studies. Federal Research Division (Customized Research and Analytical Services, Library of Congress). 2013 [2014-07-19]. (原始内容存档于2012-05-23).