Cita APA (7a ed.)
VALAS, H. (2001). LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT.
Cita Chicago Style (17a ed.)
VALAS, H. LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT. 2001.
Cita MLA (9a ed.)
VALAS, H. LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT. 2001.
Precaución: Estas citas no son 100% exactas.