Orleans, Leo A.
Stanford University Press, 1972
Buku Teks
Tya Ramadhyanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Makalah dan Kertas Kerja
Chandrasekhar, C., author
Hong Kong University Press, 1960
Buku Teks
Fang, Shan, author
World Anti-Communist League, 1985
Buku Teks
Ripley, alexandra
Macmilan Publishing, 1987
Buku Teks