APA aipamena

OMS. (1990). Bulletin of WHO: Vol.68(5)/1990. Geneva: OMS.

Chicago Style aipamena

OMS. Bulletin of WHO: Vol.68(5)/1990. Geneva: OMS, 1990.

MLA aipamena

OMS. Bulletin of WHO: Vol.68(5)/1990. Geneva: OMS, 1990.