Kennedy, John E, author
Bhuana Ilmu Populer, 2006
Buku Teks
Smith, P.R., author
Kogan Page, 1995
Buku Teks
Smith, P.R., author
Kogan Page, 1995
Buku Teks
Hifni Alifahmi, author
Examedia, 2008
Buku Teks
Kirkpatrick, C.A., author
Houghton Miffiln, 1959
Buku Teks