Brightman, Edgar Sheffield
Holt, Rinehart and Winston, 1961
Buku Teks SO
Randall, John Herman
Barnes & Noble, 1957
Buku Teks SO
Luce, J.V.
Thames and Hudson, 1994
Buku Teks SO
Horner, Chris
Cambridge, 2004
Buku Teks SO
Losee, John
Oxford University Press, 1980
Buku Teks SO