Lester, James D., Sr., 1935-2006
Pearson, 2015
Buku Teks
Lester, James D., Sr., 1935-2006
Pearson, 2015
Buku Teks SO
Churchill Livingstone, 2003
Buku Teks SO
Thomas, Robert Murray, 1921-
Corwin Press, 2008
Buku Teks SO
Garson, G. David
Marcel Dekker, 2002
Buku Referensi