Broderick, J. E., Junghaenel, D. U., Schneider, S., Pilosi, J. J., & Stone, A. A. (2012). Pittsburgh and Epworth Sleep Scale Items: Accuracy of ratings across different reporting periods. Behav Sleep Med.

Broderick, Joan E., Doerte U. Junghaenel, Stefan Schneider, John J. Pilosi, und Arthur A. Stone. "Pittsburgh and Epworth Sleep Scale Items: Accuracy of Ratings Across Different Reporting Periods." Behav Sleep Med 2012.

Broderick, Joan E., et al. "Pittsburgh and Epworth Sleep Scale Items: Accuracy of Ratings Across Different Reporting Periods." Behav Sleep Med 2012.