Leitch, George
Victoria University Press, 1990
Buku Teks
Abercrombie, Stanley, author
MIT Press, c1995
Buku Teks
Chichester, Francis Sir
Ballantine Books, 1964
Buku Teks
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1962
UI - Skripsi (Membership)
Stevenson, Augusta, author
Bobbs-Merrill, 1959
Buku Teks