Παραπομπή APA

WHO. (1995). Epidemiology and preventation of cardivascular diseases in elderly people. Geneva.

Παραπομπή Chicago Style

WHO. Epidemiology and Preventation of Cardivascular Diseases in Elderly People. Geneva, 1995.

Παραπομπή MLA

WHO. Epidemiology and Preventation of Cardivascular Diseases in Elderly People. Geneva, 1995.