Gaya APA
Lueckenotte, A, G. (1997).
Pengkajian Gerontologi (Pocket guiden to gerontologic assessment) (2).
Jakarta:
E.G.C..
Gaya MLA
Lueckenotte, A, Giesler.
"Pengkajian Gerontologi (Pocket guiden to gerontologic assessment)".
2
Jakarta:
E.G.C.,
1997.
print.