Parkin, Robert
Blackwell Publishers, 1997
Buku Teks
Keesing, Roger M.
Holt, Rinehart and winston, 1975
Buku Teks
Aldine Publishing company, 1971
Buku Teks
Etty Nurhayati Anwar, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Laporan Penelitian
Needham, Rodney, author
Tavistock Publications, 1974
Buku Teks