APA-viite

Liu, X., & Albert, S. (2020). Disability and Symptom Burden Among the Very Old: Comparison of Survivors and Decedents. Innov Aging.

Chicago-tyylinen lähdeviittaus

Liu, Xinran, ja Steven Albert. "Disability and Symptom Burden Among the Very Old: Comparison of Survivors and Decedents." Innov Aging 2020.

MLA-viite

Liu, Xinran, ja Steven Albert. "Disability and Symptom Burden Among the Very Old: Comparison of Survivors and Decedents." Innov Aging 2020.

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