Mitchell, Laura, 1958-, author
Oxford University Press, 2007
Buku Teks
Griffiths, David J., author
Prentice-Hall, 1989
Buku Teks
Griffiths, David J., author
Prentice-Hall, 1999
Buku Teks
Johnson, Kenneth D., author
The Benjamin, 1984
Buku Teks
Nadeau, Gerard
Holt Rinehart and Winston, 1964
Buku Teks