Search OMNI by Subject on the Advanced search page using Academic writing -- Handbooks, manuals, etc.
Others aids for writing include
A manual for writers of research papers, theses, and dissertations (print)
Student guide to research in the digital age : how to locate and evaluate information sources (print)
Wall Street Journal guide to information graphics: the dos and don'ts of presenting data, facts and figures
Use of one of the many available tools for citation managment to organize the sources you will find as you do your research. Most of these tools will also allow you to turn your references into properly formatted bibliographies, and with additional plug-ins they can allow you to easily insert your citations into your papers as you write.