Hall, Richard, 1937-2003, author
Wellington Lane Press, 1976
Buku Teks
Gretha Natasha, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
UI - Skripsi (Membership)
Crisp, L. F. (Leslie Finlay), author
Yale University Press, 1949
Buku Teks
Angus and Robertson, 1961
Buku Teks
Crisp, L. F. (Leslie Finlay), author
Longman Chesire, 1965
Buku Teks