Nguyen-Vien
Foreign Language Publishing House, 1956
Buku Teks
Bianco, Lucien
Stanford University Press, 1971
Buku Teks
Fukuyama, Francis
Farrar, Straus and Giruox, 2012
Buku Teks
Nash, Gary B.
Harvard University Press, 1979
Buku Teks
Doyle, William
Oxford University Press , 1989
Buku Teks