Sorkin, Alan L., author
Massachusetts Lexington Books, 1984
Buku Teks
edited by Stuart Corbridge
Edward Arnold, 2002
Buku Teks
Elkan, Walter
The English Language Book Society ; Penguin Books, 1973
Buku Teks
edited by B.S. Hoyle
John Wiley & Sons, 1978
Buku Teks
Salamun ... [et al.]
Departemen Pendidikan dan Kebudayaan RI, 1988
Buku Teks