APA-čujuhus (7. p.)
LOUHIALA, P. RISK INDICATORS OF MENTAL RETARDATION: CHANGES BETWEEN 1967 AD 1981.
Chicago-čujuhus (17. p.)
LOUHIALA, P. RISK INDICATORS OF MENTAL RETARDATION: CHANGES BETWEEN 1967 AD 1981.
MLA-čujuhus (9. p.)
LOUHIALA, P. RISK INDICATORS OF MENTAL RETARDATION: CHANGES BETWEEN 1967 AD 1981.
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