Fox-Rushby, Julia A.
Disability adjusted life years (Dalys) for decisition-making? : an overview of the literature
Office of Health Economics, 2002
 Buku Teks SO
Naisbitt, John
Megatrends Asia : eight Asian megatrends that are reshaping our world
Simon & Schuster, 1996
 Buku Teks SO
Gallup, George
Adventures in immortality
McGraw-Hill, 1982
 Buku Teks SO
Lin, Yutang
Looking beyond
Prentice-Hall, 1955
 Buku Teks SO
Phan, Peter C.
101 tanya-jawab tentang kematian dan kehidupan kekal: Responses to 101 questions on death and eternal life
Kanisius, 2005
 Buku Teks SO