APA-referens (7:e uppl.)

CROWELL, T. L. (1987). Index to modern english. McGraw-Hill.

Chicago-referens (17:e uppl.)

CROWELL, Thomas Lee. Index to Modern English. New York: McGraw-Hill, 1987.

MLA-referens (9:e uppl.)

CROWELL, Thomas Lee. Index to Modern English. McGraw-Hill, 1987.