Russell, J. A.; Barrett, L. F. (1999). "Core affect, prototypical emotional episodes, and other things called emotion: Dissecting the elephant". Journal of Personality and Social Psychology. 76 (5): 805–819. doi:10.1037/0022-3514.76.5.805. PMID10353204.
Russell, J. A.; Barrett, L. F. (1999). "Core affect, prototypical emotional episodes, and other things called emotion: Dissecting the elephant". Journal of Personality and Social Psychology. 76 (5): 805–819. doi:10.1037/0022-3514.76.5.805. PMID10353204.