edited by Adrian Tomer, Grafton T. Eliason, Paul T.P. Wong
Lawrence Erlbaum Associates, 2007
Buku Teks
Frame, Janet.
G. Braziller, 1972
Buku Teks
Kubler-Ross, Elisabeth, author
Macmillan, 1981
Buku Teks
Spalteholz, werner
Hipokrates, 1994
Buku Referensi
Spalteholz, werner
Hipokrates, 1994
Buku Referensi