Cita APA (7th ed.)

(2007). Vision 2020: The Right to sight. International Agency for the Prevention of Blindness.

Cita Chicago (17th ed.)

Vision 2020: The Right to Sight. India: International Agency for the Prevention of Blindness, 2007.

Cita MLA (9th ed.)

Vision 2020: The Right to Sight. International Agency for the Prevention of Blindness, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.