Turville-Petre, Thorlac, author
Blackwell Publishing, 2007
Buku Teks
Ochsenwald, William, author
McGraw-Hill, 2011
Buku Teks
McGarry, Daniel D., author
Littlefield, Adams, 1968
Buku Teks
Yasar Uzun, author
Badan Pemeriksa Keuangan Direktorat Penelitian dan Pengembangan, 2021
Artikel Jurnal
edited by John Louis Beatty, Oliver A. Johnson
Prentice-Hall, 1966
Buku Teks