Bauer, Raymond A., author
Harvard University Press, 1952; 1959
Buku Teks
Mannheim, Karl, author
Harcourt, Brace, 1951
Buku Teks
Wen, Man Ying
Yuan Jian Zazhi, 1990
Buku Teks
Haas, Francis J.
Buku Teks
May, Rollo, 1909-, author
W.W. Norton, 1953
Buku Teks