APA
PULFREY C., . (2011). Why grades engender performance-avoidance goals: The mediating role of autonomous motivation. Washington: American Psychological Association.
Chicago
PULFREY Caroline, . 2011. Why grades engender performance-avoidance goals: The mediating role of autonomous motivation. Washington: American Psychological Association.
Harvard
PULFREY C., . (2011). Why grades engender performance-avoidance goals: The mediating role of autonomous motivation. Washington: American Psychological Association.
MLA
PULFREY Caroline, . Why grades engender performance-avoidance goals: The mediating role of autonomous motivation. Washington: American Psychological Association. 2011.