Gaya APA
Touhy, T., A., Jett, K. (2016).
Toward Healthy Aging Human Needs & Nursing Response, Ninth Edition (9).
Belanda:
Elsevier.
Gaya MLA
Touhy, Theris, A.., Jett, Kathleen.
"Toward Healthy Aging Human Needs & Nursing Response, Ninth Edition".
9
Belanda:
Elsevier,
2016.
Buku Inti.