Παραπομπή APA

Clark, J. W. (1967). Early English: A study of old and middle English.

Παραπομπή Chicago Style

Clark, John Williams. Early English: A Study of Old and Middle English. London, Andre Deutch, 1967.

Παραπομπή MLA

Clark, John Williams. Early English: A Study of Old and Middle English. 1967.