YouTube: How to read a Citation in a bibliography so you know what kind of material it is and then how to go about finding it.
Huge amounts of help available for your writing:
Purdue Online Writing Lab
Hamilton College Writing Center
Harvard Writing Center
A Guide for Writing Research Papers Based on Modern Language Association (MLA) Documentation
Research and Documentation Online
University of Victoria Writer's Guide
IB Resources for EE Research
This page offers links to IB-related online resources. Don't forget to check the other pages too: Research Help especially.