Gaya APA
FRIEDLANDER, W, A. (1958).
CONCEPT AND METHODS OF SOCIAL WORK .
Englewood Cliffs, New Jersey:
PRENTICE-HALL.
Gaya MLA
FRIEDLANDER, Walter, A..
"CONCEPT AND METHODS OF SOCIAL WORK".
Englewood Cliffs, New Jersey:
PRENTICE-HALL,
1958.
Textbook.