edited by Archibald A. Hill
Voice of America, 1969
Buku Teks
edited by Archibald A. Hill
[Publisher not identified], 1969
Buku Teks SO
edited by Anne E. Baker and Kees Hengeveld
Wiley-Blackweell, 2012
Buku Teks SO
Aitchison, Jean, 1938-, author
Hodder & Stoughton, 1992
Buku Teks SO
Victoria A. Fromkin [and others]
Blackwell, 2001
Buku Teks