edited by Jyoti Brunsdon
Angus and Robertson, 1990
Buku Teks
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Skripsi (Membership)
Anonymous
Gramedia, 2004
Buku Teks
Mohtar Lubis
LSPP, 2008
Buku Teks
Zarudnaya, Elena
Harvard University Press, 1959
Buku Teks