hello everyone , I'm having a problem installing any package i want
for example ; these packages i can't install
libgtk2.0
autoreconf
and many more
i keep trying but terminal output is

Code:
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package autoreconf
sources.list

Code:
# 

# deb cdrom:[Debian GNU/Linux 2016.1 _Kali-rolling_ - Official Snapshot amd64 LIVE/INSTALL Binary 20160120-18:14]/ kali-rolling contrib main non-free

#deb cdrom:[Debian GNU/Linux 2016.1 _Kali-rolling_ - Official Snapshot amd64 LIVE/INSTALL Binary 20160120-18:14]/ kali-rolling contrib main non-free