APA-čujuhus (7. p.)
BLANK, N., & DIDERICHSEN, F. (1997). THE EFFECTS OF POVERTY ON SLEEP PROBLEMS IN SWEDEN.
Chicago-čujuhus (17. p.)
BLANK, N., juo F. DIDERICHSEN. THE EFFECTS OF POVERTY ON SLEEP PROBLEMS IN SWEDEN. 1997.
MLA-čujuhus (9. p.)
BLANK, N., juo F. DIDERICHSEN. THE EFFECTS OF POVERTY ON SLEEP PROBLEMS IN SWEDEN. 1997.
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