Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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