APA (7. basım) Alıntı
VALAS, H. (2001). LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT.
Chicago Style (17. basım) Atıf
VALAS, H. LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT. 2001.
MLA (9th ed.) Atıf
VALAS, H. LEARNED HELPLESSNESS AND PSYCHOLOGICAL ADJUSTMENT II: EFFECTS OF LEARNING DISABILITIES AND LOW ACHIEVEMENT. 2001.
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