Cunningham, William P., author
Mc Graw Hill, 2010
Buku Teks
Cunningham, William P., author
Mc Graw Hill, 2012
Buku Teks
Cunningham, William P., author
WCB/McGraw-Hill, 1999
Buku Referensi
Artikel Jurnal
Misra, S.P.
CRC Press, Taylor & Francis Group, 2008
Buku Teks