Firth, Raymond
New American Library, 1958
Buku Teks SO
Nesturkh, Mikhail Fedorovich
Foreign Languages Publishing House, [Date of publication not identified]
Buku Teks
Kennedy, Raymond
[Publisher not identified], [Date of publication not identified]
Buku Teks
Garn, Stanley M.
Charles C. Thomas, 1971
Buku Teks SO
Coon, Carleton S.
Alfred A. Knoff, 1969
Buku Teks SO