Citazione APA

Eskreis-Winkler, L., Shulman, E. P., Beal, S. A., & Duckworth, A. L. (2014). The grit effect: Predicting retention in the military, the workplace, school and marriage. Frontiers Media S.A.

Stile di citazione Chicago

Eskreis-Winkler, Lauren, Elizabeth P. Shulman, Scott A. Beal, e Angela L. Duckworth. The Grit Effect: Predicting Retention in the Military, the Workplace, School and Marriage. Frontiers Media S.A, 2014.

Citazione MLA

Eskreis-Winkler, Lauren, Elizabeth P. Shulman, Scott A. Beal, e Angela L. Duckworth. The Grit Effect: Predicting Retention in the Military, the Workplace, School and Marriage. Frontiers Media S.A, 2014.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.