Steffan, W. (1988). Streetwork in der Drogenszene. Lambertus.
Chicago Style (17th ed.) CitationSteffan, Werner. Streetwork in Der Drogenszene. Freiburg im Breisgau: Lambertus, 1988.
MLA (8th ed.) CitationSteffan, Werner. Streetwork in Der Drogenszene. Lambertus, 1988.
Warning: These citations may not always be 100% accurate.