Kumar, Ann
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2020
Artikel Jurnal
Roojen, Pepin van, compiler
Thw Pepin Press, 2010
Buku Teks SO
London Routledge , 1992
Buku Teks SO
by Jacquelyn Sanders ... [and others]
The University of Chicago , 1968
Buku Teks
Hunt, Peter, 1945-
Oxford University Press, 1994
Buku Teks SO