MacMillan/McGraw-Hill , 1997
Buku Teks
by John M. Norris ... [et. al.]
University of Hawaii Press, 1998
Buku Teks
Harris, David P.
McGraw-Hill, 1969
Buku Teks
Radlauer, Ruth, author
Bowmar, 1971
Buku Teks
Comfort, Jeremy, author
Oxford University Press, 1994
Buku Teks