edited by Stephen Creanor
John Wiley & Sons, 2016
Buku Teks SO
edited by Lee Bok Y.
McGraw-Hill, 2005
Buku Teks SO
Bruch, Jean M.
Humana Press , 2010
Buku Teks SO
William V. Giannobile, Brian A. Burt, Robert J. Genco
Blackwell, 2010
Buku Teks SO
Regezi, Joseph A.
Saunders, 2003
Buku Teks SO