Gaya APA

Touhy, T, A., F, J, ,, K. (2014). Gerontological Nursing & Healthy Aging . USA: elsevier.

Gaya MLA

Touhy, Theris, A.., F, Jett, ,, Kathleen. "Gerontological Nursing & Healthy Aging". USA: elsevier, 2014. Buku.