Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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