Cita APA (7th ed.)
(1989). Turning points: Preparing American youth for the 21st century. Carnegie Corporation.
Cita Chicago (17th ed.)
Turning Points: Preparing American Youth for the 21st Century. New York: Carnegie Corporation, 1989.
Cita MLA (9th ed.)
Turning Points: Preparing American Youth for the 21st Century. Carnegie Corporation, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.