Koffel, E., & Watson, D. (2010). Development and Initial Validation of the Iowa Sleep Disturbances Inventory (ISDI).
Chicago-стиль цитированияKoffel, Erin, and David Watson. Development and Initial Validation of the Iowa Sleep Disturbances Inventory (ISDI). 2010.
MLA-цитированиеKoffel, Erin, and David Watson. Development and Initial Validation of the Iowa Sleep Disturbances Inventory (ISDI). 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.