Bloom, M. (1993). Single-system designs in the social services: Issues and options for the 1990s. Haworth Press.
Chicago-referens (17:e uppl.)Bloom, Martin. Single-system Designs in the Social Services: Issues and Options for the 1990s. New York: Haworth Press, 1993.
MLA-referens (9:e uppl.)Bloom, Martin. Single-system Designs in the Social Services: Issues and Options for the 1990s. Haworth Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.