Bass, Herbert J.
Silver Burdett Co, 1979
Buku Teks
Griffin, Penny, 1978-, author
Macmillan, 1991
Buku Teks
Salomon, Pierre, author
Paris Hatier-Boivin 1953
Buku Teks
Every, Dale Van
A Mentor Book, 1963
Buku Teks
Speaight, R., author
Arthur Barker, 1954
Buku Teks