Gershwin, M. Eric, editor
Springer Science, 2011
eBooks
Hart, Andrew, author
Routledge, 1997
Buku Referensi
Thorn, Eric A., author
Jay Books, 1989
Buku Referensi
Baron, Robert A., author
Allyn and Bacon, 1991
Buku Teks
Thorn, Eric A.
Jay Books , 1989
Buku Teks