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Routledge, 1999
Buku Teks
Trevelyan, George Macaulay, 1876-1962, author
Longmans, Green, 1945
Buku Teks
Bindoff, S.T., author
Penguin Books, 1951
Buku Teks
Lavell, C.F., author
Macmillan, 1919
Buku Teks
Muhammad Ali Sadikin, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Skripsi (Membership)