Jefkins, Frank William, author
Erlangga, 1996
Buku Teks
Jefkins, Frank William, author
Pitman , 1980
Buku Teks
Lattimore, Dan, author
McGraw-Hill, 2007
Buku Teks
Jefkins, Frank William, author
Macdonald and Evans, 1984
Buku Teks
Jefkins, Frank William, author
Erlangga, 1996
Buku Teks