Morgan, C. (1978). A brief introduction to psychology (2nd.). Tata McGraw Hill.
Cita Chicago (17th ed.)Morgan, Clifford. A Brief Introduction to Psychology. 2nd. New Delhi: Tata McGraw Hill, 1978.
Cita MLA (9th ed.)Morgan, Clifford. A Brief Introduction to Psychology. 2nd. Tata McGraw Hill, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.