Pyles, T., & Harder, J. C. (1968). The English language: A brief history; with questions and assignments prepared by Jayne C. Harder. Holt.
Chicago-referens (17:e uppl.)Pyles, Thomas, och Jayne Crane Harder. The English Language: A Brief History; with Questions and Assignments Prepared by Jayne C. Harder. New York: Holt, 1968.
MLA-referens (9:e uppl.)Pyles, Thomas, och Jayne Crane Harder. The English Language: A Brief History; with Questions and Assignments Prepared by Jayne C. Harder. Holt, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.