Downs, Cal W., author
Guilford Press, 2004
Buku Teks
Golomb, Louis
The University Press of Hawaii, 1978
Buku Teks
F.X. Harsono, author
Langgeng Art Foundation, 2010
Buku Teks
American Institute of Certified Public Accountants, 1965
Buku Teks
Deri Yanto, author
Badan Pemeriksa Keuangan Direktorat Penelitian dan Pengembangan, 2020
Artikel Jurnal