Beck, H. L. (1973). Don't push me, I'm no computer: How pressures to "achieve" harm pre-school children,. McGraw-Hill.
Cita Chicago (17th ed.)Beck, Helen Louise. Don't Push Me, I'm No Computer: How Pressures to "Achieve" Harm Pre-school Children,. New York: McGraw-Hill, 1973.
Cita MLA (8th ed.)Beck, Helen Louise. Don't Push Me, I'm No Computer: How Pressures to "Achieve" Harm Pre-school Children,. McGraw-Hill, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.