Benney, Mark
Routledge and Kegan Paul, 1956
Buku Teks
Aris Ananta, author
Institute of Southeast Asian Studies, 2004
Buku Teks
Artikel Jurnal
Septi Atmanegara, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
UI - Skripsi (Membership)
Cooper, Alfred M., author
McGraw-Hill, 1958
Buku Teks