Austin, Donald F.
Charles C. Thomas, 1974
Buku Teks SO
edited by C. Glen Mayhall
Williams & Wilkins, 1996
Buku Teks SO
Nelson, Kenrad E.
Jones and Bartlett Publisher, 2005
Buku Teks SO
Fletcher, Robert H.
Williams and Wilkins, 1984
Buku Teks SO
Zhdanov, V.
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks SO