edited by Ralph Cohen
Johns Hopkins University Press, 1974
Buku Teks SO
edited by Anne Digby, Charles Feinstein and David Jenkins
Macmillan, 1992
Buku Teks SO
Tosh, John
Longman , 1991
Buku Teks SO
edited by Davis S. Miall
Clarendon Press, 1990
Buku Teks SO
edited by Howard J. Wiarda
Westview Press, 1985
Buku Teks SO