Bandman, Elsie L., author
Appleton & Lange, 1995
Buku Teks
Thomson, Anne, author
Routledge , 1996
Buku Teks
Warburton, Nigel, 1962-
Routledge, 1996
Buku Teks
Moore, Brookee Noel, author
McGraw-Hill, 2015
Buku Teks
Moore, Brooke Noel, author
McGraw-Hill, 2004
Buku Teks