Maidment, Frederick
Prentice-Hall, 1999
Buku Teks
Maidment, Frederick
Prentice-Hall, 2000
Buku Teks
Kaufmann, Walter, editor
Reader's Digest Press, 1977
Buku Teks
Carroll, Archie B.
Thomson , 2003
Buku Teks
Sutan Takdir Alisjahbana
University of Malaya Press, 1986
Buku Teks