APA ציטוט

(2004). Polio will be finished by year's end, say Ministers of Health. World Health Organization.

Citação norma Chicago

Polio Will Be Finished By Year's End, Say Ministers of Health. World Health Organization, 2004.

ציטוט MLA

Polio Will Be Finished By Year's End, Say Ministers of Health. World Health Organization, 2004.