Siregar, Astar, author
2009 dalam renungan
Tulodong, 2013
 Buku Teks
Political parties and political development
edited by Joseph LaPalombara, Myron Weiner
Princeton University Press, 1966
 Buku Teks
Hobbs, Lisa
I saw red China /Lisa Hobbs
McGrow-Hill , 1966
 Buku Teks
The China year book 1928 / edited by H.G.W. Woodhead
University of Chicago, 1928
 Buku Teks
The China year book 1931-1932/ edited by H.G.W. Woodhead
The North-China Daily News & Herald, 1932
 Buku Teks
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