APA (7 वां संस्करण) प्रशस्ति पत्र
Bignal, T., & Gouvier-Seghrouchni, R. (2020). The impact of COVID 19 on disability services in Europe. European Association of Service providers for Persons with Disabilities.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bignal, T., और R. Gouvier-Seghrouchni. The Impact of COVID 19 on Disability Services in Europe. Bruselas: European Association of Service providers for Persons with Disabilities, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bignal, T., और R. Gouvier-Seghrouchni. The Impact of COVID 19 on Disability Services in Europe. European Association of Service providers for Persons with Disabilities, 2020.
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