Bryson, Jo, author
Ashgate, 1999
Buku Teks
Astri Kania Dewi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi (Membership)
edited by C.L. Briant dan S.K. Banerji
Academic Press, 1983
Buku Teks
edited by Herbert Herman
Academic Press, 1983
Buku Teks
Baldwin, David A. (David Allen), author
Libraries Unlimited, 2003
Buku Referensi