Sali A. Tagliamonte, author
Cambridge University Press, 2016
Buku Teks
kumar, Vijaya
Gramedia, 2004
Buku Teks
Cut Devi Nur Indah, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Makalah dan Kertas Kerja
editorial board, Gerald Reid Barry ... [and others] ; illustrated and designed by Hans Erni
Macdonald, 1966
Buku Teks
Cohen, Nancy J., 1941-, author
Sage Publications, 2001
Buku Teks