APA aipamena

World Health Organization. (1998). Research abstracts South- East Asia region. WHO.

Chicago Style aipamena

World Health Organization. Research Abstracts South- East Asia Region. New Delhi: WHO, 1998.

MLA aipamena

World Health Organization. Research Abstracts South- East Asia Region. WHO, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.