Barrow, John D., author
Oxford University Press , 1998
Buku Teks
Raffman, Diana
Cambridge The MIT Press 1993
Buku Teks
Kodrat Setiawan, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2001
UI - Skripsi (Membership)
Broad, C.D., author
Littlefield, Adams, 1959
Buku Teks
Broad, C.D., author
Littlefield, Adams, 1959
Buku Teks