APA-čujuhus (7. p.)
Hilgenkamp, T., & et al. Study healthy ageing and intellectual disabilities: Recruitment and design.
Chicago-čujuhus (17. p.)
Hilgenkamp, T.I.M, juo et al. Study Healthy Ageing and Intellectual Disabilities: Recruitment and Design.
MLA-čujuhus (9. p.)
Hilgenkamp, T.I.M, juo et al. Study Healthy Ageing and Intellectual Disabilities: Recruitment and Design.
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