Gaya APA
Zastrow, C. (1982).
Introduction To Social Welfare Institutions : Social Problems, Services, And Current Issues .
IIIinois:
Grasindo.
Gaya MLA
Zastrow, Charles.
"Introduction To Social Welfare Institutions : Social Problems, Services, And Current Issues".
IIIinois:
Grasindo,
1982.
Text.