Cita APA (7a ed.)

(2010). GeoGebra: The new language for the third millennium. Zigotto Printing & Publishing House.

Cita Chicago Style (17a ed.)

GeoGebra: The New Language for the Third Millennium. Galati, Romania: Zigotto Printing & Publishing House, 2010.

Cita MLA (9a ed.)

GeoGebra: The New Language for the Third Millennium. Zigotto Printing & Publishing House, 2010.