Gaya APA
Biestek, F, P, S, &, C, C. (1978).
Client self-determination in social work, a fifty-year history. .
Chicago:
Loyola UP.
Gaya MLA
Biestek, Felix, P.,, S.J., &, Clyde, C.Gehrig.
"Client self-determination in social work, a fifty-year history. ".
Chicago:
Loyola UP,
1978.
Buku.