Indonesia / by J, D. (John David) Legge
Prentice-Hall, 1980
Buku Teks SO
Beach, David P.
Electronics : fundamentals and everyday applications/David P. Beach, william J. Foraker
Delmar Pub, 1991
Buku Teks
Berman, Harold J.
The nature and functions of law /Harold J. Berman and William R. Greinner
The Fondation Press , 1966
Buku Teks
Cleland, David I.
Systems, organizations, analysis, management : a book of readings / David I. Cleland, William R. King
McGraw-Hill, 1969
Buku Teks
Bibby, Colin J.
Bird census techniques / Colin J. Bibby, Neil D. Burgess and David A. Hill
Academic Press, 1993
Buku Teks SO