Maas, J. B., Wherry, M. L., Axelrod, D. J., Hogan, B. R., & Blumin, J. A. (1998). Power sleep: The revolutionary program that prepares your mind for peak performance. Villard.
Citazione stile Chigago Style (17a edizione)Maas, James B., Megan L. Wherry, David J. Axelrod, Barbara R. Hogan, e Jennifer A. Blumin. Power Sleep: The Revolutionary Program That Prepares Your Mind for Peak Performance. New York: Villard, 1998.
Citatione MLA (9a ed.)Maas, James B., et al. Power Sleep: The Revolutionary Program That Prepares Your Mind for Peak Performance. Villard, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.