APA-čujuhus (7. p.)
Kaufmann, C., & ET AL. (2014). Insomnia and health services utilization in middle-aged and older adults: Results from the health and retirement study.
Chicago-čujuhus (17. p.)
Kaufmann, C.N, juo ET AL. Insomnia and Health Services Utilization in Middle-aged and Older Adults: Results from the Health and Retirement Study. 2014.
MLA-čujuhus (9. p.)
Kaufmann, C.N, juo ET AL. Insomnia and Health Services Utilization in Middle-aged and Older Adults: Results from the Health and Retirement Study. 2014.
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