Tracy, Brian
Amacom, 2004
Buku Teks
Mancini, Marc
McGraw-Hill, 2003
Buku Teks SO
edited by Shahn Majid ; contributors, John Polkinghorne, Roger Penrose, Andrew Taylor, Alain Connes, and Michael Heller
Cambridge University Press, 2012
Buku Teks SO
The UNESCO Press, 1976
Buku Teks SO
Bittel, Lester Robert
McGraw-Hill, 1991
Buku Teks