The examples cover the source types most frequently cited in papers by undergraduate writers, using four citation styles. Links to APA and MLA formats are included. This site, by A. Harnack and E. Kleppinger, features the MLA, APA, Chicago and CBE styles. Map results tend to download quickly. Learn anything from how a cell phone or an air conditioner works to how a power grid, hurricane, a clock or how dental school works. .
Some explanations are more technical than others.
Online phone directories are typically not updated more than once a year. This site provides directory assistance for locating people, businesses and toll-free numbers in the United States. The directory is limited to entries found in the Ameritech yellow and white pages. Use this site to locate addresses and phone numbers for people and businesses nationwide. Classifieds, a Consumer Guide and City Pages are also included here.