Harper, S. (2021). The COVID-19 Pandemic and Older Adults: Institutionalised Ageism or Pragmatic Policy? J Popul Ageing.
استشهاد بنمط شيكاغوHarper, Sarah. "The COVID-19 Pandemic and Older Adults: Institutionalised Ageism or Pragmatic Policy?" J Popul Ageing 2021.
MLA استشهادHarper, Sarah. "The COVID-19 Pandemic and Older Adults: Institutionalised Ageism or Pragmatic Policy?" J Popul Ageing 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.