Gaya APA
DINKMEYER, D, C., MURO, J, J.
(1971).
Group counseling:
.
Illinois:
F.E Peacock .
Gaya MLA
DINKMEYER, Don, C.., MURO, James, J..
"Group counseling:".
Illinois:
F.E Peacock ,
1971.
Buku.