Luepker, R. V. (2004). Cardiovascular survey methods (3rd ed.). World Health Organization.
Chicago-referens (17:e uppl.)Luepker, Russell V. Cardiovascular Survey Methods. 3rd ed. Geneva: World Health Organization, 2004.
MLA-referens (8:e uppl.)Luepker, Russell V. Cardiovascular Survey Methods. 3rd ed. World Health Organization, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.