compiled by Jonathan French Scott and Alexander Baltzly
F.S. Crofts & Co., 1930
Buku Teks
Albrecht-Carrie, Rene
Littlefield, Adam & Co., 1959
Buku Teks
Longman, 1993
Buku Teks
Wood, Anthony, 1923-, author
Longman, 1983
Buku Teks
Hayden, Sally, author
AVedition, 2001
Buku Teks