Babbie, Earl R.
Thomson/Wadsworth, 2004
Multimedia
Feldman, Robert S.
McGraw-Hill, 2005
Multimedia
Feldman, Robert S.
McGraw Hill, 2005
Multimedia
Streeter, James, author
MCGraw-Hill , 2001
Multimedia
Streeter, James, author
McGraw-Hill , 2001
Multimedia