Lin, Tung Yen
Wiley, 1981
Buku Teks SO
Tomlan, Michael A.
Springer International Publishing, 2015
eBooks
LePatner, Barry B.
McGraw-Hill, 1982
Buku Teks SO
U. S. Congress Office of Technology Assessment, 1986
Buku Teks
Swinburne, Herbert
McGraw-Hill, 1980
Buku Teks SO