Perkin, Harold
The third revolution: professional elites in the modern world
Routledge, 1996
Buku Teks SO
Koehn, Daryl
Landasan etika profesi = the Ground of professional ethics / Daryl Koehn; penerjemah: Agus M. Hardjana
Kanisius, 2000
Buku Teks SO
Delong, Thomas
Professional services : text and cases
Irwin, McGraw-Hill, 2003
Buku Teks
Delong, Thomas
Professional services: strategy and tactics
McGraw-Hill, 2003
Buku Teks
Spiro, Herbert T.
Finance planning for the independent professional / Herbert T. Spiro
John Wiley & Sons, 1978
Buku Teks SO