H. Soenarko
Airlangga University Press (AUP), 2005
Buku Teks SO
Rose, Richard, 1933-
Routledge, 2005
Buku Teks SO
edited by Almarin Phillips and Oliver E. Williamson
University of Pennsylvania Press , 1967
Buku Teks
Artikel Jurnal
Palumbo, Dennis J.
Harcourt Brace College, 1994
Buku Teks SO