APA-referens (7:e uppl.)

Thorley, W. C. (1927). A primer of english: For foreigin students. Macmillan.

Chicago-referens (17:e uppl.)

Thorley, Wilfrid C. A Primer of English: For Foreigin Students. London: Macmillan, 1927.

MLA-referens (9:e uppl.)

Thorley, Wilfrid C. A Primer of English: For Foreigin Students. Macmillan, 1927.