Daugherty, Robert L. (Robert Long), 1885-, author
McGraw-Hill, 1985
Buku Teks
Esposito, Anthony, author
Prentice-Hall, 1997
Buku Teks
Gombas, Pal, author
Pergamon Press, 1973
Buku Teks
Cooper, Elmer L., author
Delmar, 1987
Buku Teks
Daugherty, Robert L. (Robert Long), 1885-, author
McGraw-Hill , 1984
Buku Teks