End of my rope

Hi! I'm a newbie here and need advice before I go nuts! I have a 19+
teen who goes to jr. college (on limited scholarship) but does nothing
else for anyone. She won't work or help in the house. Sometimes she
doesn't get out of bed. The only thing she does is get on the Internet
to talk with her friends late at night. I need her help/cooperation so
I can get out and work full-time to support us. I am looking for family
counselors and have very limited funds - so not much luck. Does anyone
know a book or group to help me? Our fighting is escalating and getting
very serious. My part-time work won't support us much longer. I am
afraid I will do something desperate that will hurt both of us for a
long time.Thanks for any help or advice! - Nan