APA (7 ম সংস্করণ) উদ্ধৃতি

Birkland, J. L. H. (2019). Gerontechnology: Understanding older adult information and communication technology use. Emerald Publishing Limited.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Birkland, Johanna L. H. Gerontechnology: Understanding Older Adult Information and Communication Technology Use. Bingley, U.K.: Emerald Publishing Limited, 2019.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Birkland, Johanna L. H. Gerontechnology: Understanding Older Adult Information and Communication Technology Use. Emerald Publishing Limited, 2019.