D.C. Heath and Company, 1992
Buku Teks
Miller, Herman Phillip, author
John Wiley & Sons, 1955
Buku Teks
edited by Andrei Oțetea
Scientific Publishing Hoose, 1970
Buku Teks
July, Robert W
Charles Scribner's, 1970
Buku Teks
Green, J. R.
London Dent 1915
Buku Teks