Pickett, K.H. Spencer
The essential handbook of internal auditing / K H Spencer Pickett
John Wiley & Sons, 2005
 Buku Teks SO
Pickett, K.H. Spencer
The essential hanbook of internal auditing
John Wiley & Sons, 2005
 Buku Teks
Brink, Victor Z.
Internal auditing
Ronald Press, 1958
 Buku Teks
Lasser, J.K. [Jacob Kay]
Handbook of auditing methods
Van Nostrand, 1953
 Buku Referensi
Njoedarwini Soekanto
Internal auditing di PPTMGB Lemigas
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1980
 UI - Skripsi Membership