Johnson, D. M. (1961). Psychology: A problems solving approach. Harper & Brothers.
Citación estilo ChicagoJohnson, Donald M. Psychology: A Problems Solving Approach. New York: Harper & Brothers, 1961.
Cita MLAJohnson, Donald M. Psychology: A Problems Solving Approach. Harper & Brothers, 1961.
Warning: These citations may not always be 100% accurate.