Gettell, Raymond G.
Appleton-Century-Crofts, 1928
Buku Teks
Crick, Bernard
Routledge & Kegan Paul, 1959
Buku Teks SO
Mason, Alpheus Thomas,1899-1989
Prentice-Hall, 1959
Buku Teks
Weyl, Walter E.
Harper & Row, 1964
Buku Teks
Fatovic, Clement, 1973-
Johns Hopkins University Press, 2009
Buku Teks