SpringerLink (Online service), Chiu, H., & Shulman, K. (2016). Mental Health and Illness of the Elderly. Springer Nature Singapore : Imprint: Springer. https://doi.org/10.1007/978-981-10-0370-7
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpringerLink (Online service), Helen Chiu, और Kenneth Shulman. Mental Health and Illness of the Elderly. Singapore: Springer Nature Singapore : Imprint: Springer, 2016. https://doi.org/10.1007/978-981-10-0370-7.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSpringerLink (Online service), et al. Mental Health and Illness of the Elderly. Springer Nature Singapore : Imprint: Springer, 2016. https://doi.org/10.1007/978-981-10-0370-7.
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