Souter, Gerry
Andre Deutsch, 2015
Buku Referensi
Donny Octaviano
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2014
UI - Makalah dan Kertas Kerja
Macmillan Digital USA, 1995
Multimedia
edited by Walter Capps
Routledge, 1991
Buku Teks SO
Thompson, Willard Scott, 1942-
University of Queensland Press, 1977
Buku Teks