Gaya APA
Jacobs, E, E. et al
(2006).
Group Counseling : Strategies & Skills 5th'ed.
(
5)
.
Singapore:
Thomson Brooks/Cole.
Gaya MLA
Jacobs, Ed, E.. et al.
"Group Counseling : Strategies & Skills 5th'ed.".
5
Singapore:
Thomson Brooks/Cole,
2006.
Text.