edited by Youngnok Koo and Sung-joo Han
Columbia University Press, 1985
Buku Teks
Lippmann, Walter, author
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Buku Teks
Hartmann, Frederick H., author
Macmillan, 1985
Buku Teks
Ni`matun Nasim, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi (Membership)
Schuman, Frederick L., author
Whittlesey House, 1931
Buku Teks