Harkins, William E., author
Littlefield, Adams, 1959
Buku Referensi
edited and introduced by Vladimir I. Braginsky and Elena M. Diakonova
KITLV, 1999
Buku Teks
Moore, Harry T., author
Heinemann, 1976
Buku Teks
Nauka, 1993
Buku Teks
edited by Richard Freeborn and Jane Grayson
Macmillan, 1990
Buku Teks