Gaya APA
NORTHEN,Helen. (1988).
Social Work With Group (2nd.ed.).
New York:
Columbia University Press.
Gaya Chicago
NORTHEN,Helen.
Social Work With Group.
2nd.ed.
New York:
Columbia University Press,
1988.
Teks.
Gaya MLA
NORTHEN,Helen.
Social Work With Group.
2nd.ed.
New York:
Columbia University Press,
1988.
Teks.
Gaya Turabian
NORTHEN,Helen.
Social Work With Group.
2nd.ed.
New York:
Columbia University Press,
1988.
Teks.