Kitto, H.D.F.
Penguin Books, 1951
Buku Teks SO
Jencks, Charles
Academy Editions, 1996
Buku Teks SO
James Farganis
MacGraw-Hill, 2000
Buku Teks SO
Jencks, Charles
Yale University Press, 2002
Buku Teks SO
Rosenau, Pauline Marie
princeton University Press, 1992
Buku Teks SO