Kimble, Gregory A., editor
MIT Press, 1996
Buku Teks
Bernadine Estherline Shafirine, author
Universitas Indonesia, 2015
UI - Skripsi (Membership)
Artikel Jurnal
Carlson, Neil R., author
Allyn and Bacon, [date of publication not identified]
Buku Teks
Carlson, Neil R., author
[publisher not identified], 1997
Buku Teks