Denniston, Katherine J., author
McGraw-Hill Higher Education, 2007
Buku Teks
Denniston, Katherine J., author
McGraw-Hill, Higher Education, 2004
Buku Teks
Kipping, F.B.
W & R Chambers, 1957
Buku Teks
Streitwieser, Andrew, author
Macmillan, 1976
Buku Teks
Wilbraham, Antony C., author
ITB Press, 1992
Buku Teks