APA-referens

Gray, D. J. P. (1979). EFFECTIVENESS AND EFFICIENCY IN HEALTH EDUCATION: A Review of Theory and Practice.

Chicago-stil citat

Gray, D. J. Pereira. EFFECTIVENESS AND EFFICIENCY IN HEALTH EDUCATION: A Review of Theory and Practice. 1979.

MLA-referens

Gray, D. J. Pereira. EFFECTIVENESS AND EFFICIENCY IN HEALTH EDUCATION: A Review of Theory and Practice. 1979.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.