The PANAS Scales of Positive and Negative Affect: Factor Analytic Validation and Cross-cultural Convergence,Escalas PANAS de afecto positivo y negativo: Validacion factorial y convergencia transcultural
Journal article published in 1999 by
B. Sandín,
P. Chorot,
L. Lostao,
T. E. Joiner,
Santed,
R. M. Valiente 
