edited by George T. Crane and Abla Amawi
Oxford University Press, 1997
Buku Teks SO
Williamson, John
Basic Books, Inc., 1983
Buku Teks SO
by George Zis ... [et al.]
Longman, 1988
Buku Teks SO
Walter, Ingo
John Wiley & Sons, 1981
Buku Teks SO
Salvatore, Dominick
John Wiley & Sons, 2007
Buku Teks SO