Ryan, Thomas P.
John Wiley & Sons, 2011
Buku Teks SO
Ryan, Thomas P.
Wiley, 1989
Buku Teks SO
Schrock, Edward M.
Reinhold, 1961
Buku Teks SO
Cowden, Dudley J.
Prentice-Hall, 1957
Buku Teks SO
Evans, James Robert, 1950-
Prentice-Hall, 1991
Buku Teks SO