Patton, Kevin T.
Elsevier, 2010
Buku Referensi
Patton, Kevin T., author
Elsevier, 2012
Buku Teks
Martini, Frederic H., author
Pearson education, 2015
Buku Teks
Seeley, Rod R., author
McGraw-Hill, 2002
Buku Teks
Shier, David, author
McGraw-HIll. , 2001
Buku Teks