Clark, Adrian V.
Parker Publishing, 1968
Buku Teks SO
Halpern, Paul
McGraw-Hill, 1990
Buku Teks SO
Khlopov, Maxim
[, Springer], 2012
eBooks
Adler, Irving
A Signet Key Book, 1957
Buku Teks SO
Dyson, Freeman J.
Cambridge University Press, 1999
Buku Teks SO