For assistance writing a resume:

CareerBuilder.com
Careerbuilder.com online resource center contains valuable information that can help students with cover letters and resumes.
At the bottom of the page is a section called Advice and Resource Articles and has very helpful information on resume writing.
CareerBuilder resources Center

Monster.com
Career Advice: Resumes and Cover Letters

For interviewing tips:
About.com has great advice like questions to ask, questions not to ask, different interviewing styles, as well as what to wear and what not to wear.
Winning the Interview
How to Interview