Ebenstein, William
Rinehart, 1963
Buku Teks SO
edited by Edward Dumbauld
Liberal Arts Press, 1955
Buku Teks SO
Elsevier, 2004
Buku Teks
Robinson, Marguerite S.
Cambridge University Press, 1975
Buku Teks SO
Anastasiou, Michaelangelo
Routledge, 2020
Buku Teks SO