Crump, E. (1997). English Online: A student's guide to the internet and world wide web. New York: Houghton Mifflin Company.
استشهاد بنمط شيكاغوCrump, Eric. English Online: A Student's Guide to the Internet and World Wide Web. New York: Houghton Mifflin Company, 1997.
MLA استشهادCrump, Eric. English Online: A Student's Guide to the Internet and World Wide Web. New York: Houghton Mifflin Company, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.