APA-referens (7:e uppl.)

Não informado. (1972). Evaluation. Minneapolis Medical Research Foundation, Program Evaluation Project.

Chicago-referens (17:e uppl.)

Não informado. Evaluation. Minneapolis, Minn: Minneapolis Medical Research Foundation, Program Evaluation Project, 1972.

MLA-referens (8:e uppl.)

Não informado. Evaluation. Minneapolis Medical Research Foundation, Program Evaluation Project, 1972.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.