Hudson, William J., author
John Wiley & Sons, 1993
Buku Teks
Bradley, Teresa, author
Wiley, 2013
Buku Teks
Maisal, Sherman J., author
John Wiley & Sons, 1957
Buku Teks
Bernardus Y. Nugroho, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2015
Buku Teks
Coppock, Joseph D., author
McGraw-Hill, 1959
Buku Teks