Gaya APA
Collins, G, R.
(1989).
Counseling The Sick And Terminally ILL Jilid XX (Trawas)
.
London:
Word Publishing.
Gaya MLA
Collins, Gary, R..
"Counseling The Sick And Terminally ILL Jilid XX (Trawas)".
London:
Word Publishing,
1989.
Text.