Summary

1. pdflatex file.tex
2. bibtex file
3. pdflatex file.tex
4. pdflatex file.tex

Sample files

1. Sample latex files: file1, file2
2. Sample bib file

Latex references

1. AoPS (more links on top tiny navigation bar)
2. Wikibooks

Bib-related resources

1. bibtex
2. bibliography styles
3. another resource, combination of the above two