APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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