Ewen, David
Prentice-Hall, 1952
Buku Teks SO
Li, Lanqing
Gale Asia, 2009
Buku Teks SO
edited by E.M. Kirkpatrick ; assistant editors, C.M. Schwarz ... [and others]
Chambers, 1983
Buku Referensi
edited by Sabine Thiel-Siling ; with contributions by Wolfgang Bachmann ... [and others]
Preste, 1998
Buku Teks SO
edited and selected by Benjamin Nelson
George Allen and Unwin, 1958
Buku Teks SO