National Defense Research Institute (U.S.). (2015). Sleep in the military: Promoting healthy sleep among U.S. servicemembers. RAND Corporation.
Chicago-viite (17. p.)National Defense Research Institute (U.S.). Sleep in the Military: Promoting Healthy Sleep Among U.S. Servicemembers. Santa Monica, California: RAND Corporation, 2015.
MLA-viite (9. p.)National Defense Research Institute (U.S.). Sleep in the Military: Promoting Healthy Sleep Among U.S. Servicemembers. RAND Corporation, 2015.
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