Zhao, Y., Sautter, J. M., Qiu, L., & Gu, D. (2017). Erratum to: Self-perceived uselessness and associated factors among older adults in China. BMC Geriatr.
استشهاد بنمط شيكاغوZhao, Yuan, Jessica M. Sautter, Li Qiu, و Danan Gu. "Erratum To: Self-perceived Uselessness and Associated Factors Among Older Adults in China." BMC Geriatr 2017.
MLA استشهادZhao, Yuan, Jessica M. Sautter, Li Qiu, و Danan Gu. "Erratum To: Self-perceived Uselessness and Associated Factors Among Older Adults in China." BMC Geriatr 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.