Gaya APA
Lichtenberg, P, A. (2010).
Handbook of Assessment in Clinical Gerontology (Ed.2).
United States of America:
Elsevier.
Gaya MLA
Lichtenberg, Peter, A.
"Handbook of Assessment in Clinical Gerontology".
Ed.2
United States of America:
Elsevier,
2010.
Text.