A tool for community diagnosis:
the group interview survey.

APA Citation

Welfare Planning Council, L. Angeles Region. Research Dept. (1956). A tool for community diagnosis: the group interview survey. [Los Angeles].

MLA Citation

Welfare Planning Council, Los Angeles Region. Research Dept. A Tool for Community Diagnosis: the Group Interview Survey. [Los Angeles], 1956.

Warning: These citations may not always be complete (especially for serials).