APA
POSSEL P., . (2011). Cognitive triad as mediator in the hoplessness model? A three-wave longitudinal study. : International Society of Clinical Psychology.
Chicago
POSSEL Patrick, . 2011. Cognitive triad as mediator in the hoplessness model? A three-wave longitudinal study. : International Society of Clinical Psychology.
Harvard
POSSEL P., . (2011). Cognitive triad as mediator in the hoplessness model? A three-wave longitudinal study. : International Society of Clinical Psychology.
MLA
POSSEL Patrick, . Cognitive triad as mediator in the hoplessness model? A three-wave longitudinal study. : International Society of Clinical Psychology. 2011.