Chandrasegaran, Antonia, author
McGraw-Hill, 1995
Buku Teks
Chang, Valeri, author
Cengage Learning, 2013
Buku Teks
Stein-Parbury, Jane, author
Churchill Livingstone, 2003
Buku Teks
Albritton, Rosie L., author
Cool Libraries, 1990
Buku Teks
Alexander, L.G., author
Longman, 1964
Buku Teks