Schorske, Carl E.
German social democracy
Harvard University Press, 1955
Buku Teks
Morton, Desmond
Social democracy in Canada
Samuel Stevens, 1977
Buku Teks
Sperling, Sebastian
The German social market: a concept of the past?
2006
Artikel Jurnal
German democracy at work : a selective study / edited by James K. Pollock... [et.al.]
The University Michigan Press, 1995
Buku Teks
Brayne, Hugh
Law for social workers
Blackstone Press, 1991
Buku Teks