APA-referens (7:e uppl.)

BOGLE JOHN C. (2002). CHARACTER COUNTS. MCGRAW-HILL.

Chicago-referens (17:e uppl.)

BOGLE JOHN C. CHARACTER COUNTS. NEW YORK: MCGRAW-HILL, 2002.

MLA-referens (9:e uppl.)

BOGLE JOHN C. CHARACTER COUNTS. MCGRAW-HILL, 2002.