APA-referens (7:e uppl.)

Social Research Associates. (1976). Towards the impact analysis of the development projects: Some suggested indicators. s.n.].

Chicago-referens (17:e uppl.)

Social Research Associates. Towards the Impact Analysis of the Development Projects: Some Suggested Indicators. [S.l: s.n.], 1976.

MLA-referens (9:e uppl.)

Social Research Associates. Towards the Impact Analysis of the Development Projects: Some Suggested Indicators. s.n.], 1976.