Abraham Hantang Jet Jamaran
Asuransi benda jaminan pada perjanjian kredit pemilikan rumah di PT Bank Commonwealth = Insurance of guarantees object on kredit pemilikan rumah at PT Bank Commonwealth
Universitas Indonesia, 2015
 UI - Tesis Membership
The SAGE handbook of aging, work and society
edited by John Field, Ronald J. Burke and Cary L. Cooper.
SAGE, 2013
 Buku Referensi
Aging in today`s society
edited by Clark Tibbitts and Wilma Donahue
Prentice-Hall, 1960
 Buku Teks SO
Schulz, James H.
The economics of aging
Wadsworth, 1985
 Buku Teks
Roberts, Albert R.
Buku pintar pekerja sosial=Social workers' desk reference/Albert R. Roberts, Gilbert J. Greene ; Penerjemah Juda Damanik dan Cynthia Pattiasina
Gunung Mulia, 2002
 Buku Teks