Ross, Alf
Longman, Green, 1947
Buku Teks SO
Dixon, Martin
Blackstone Press, 1993
Buku Teks SO
by Y.A. Korovin ... [and others] ; translated from the Russian by Dennis Ogden ; edited by F.I. Kozhevnikov
Foreign Lamnguages, 1960
Buku Teks SO
Dixon, Martin
Oxford University Press, 2013
Buku Teks SO
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
Buku Teks SO