APA

World Health Organization. Advisory Committee on Variola Virus Research. Meeting (4th: 2002: Geneva S., World Health Organization. Global Alert and Response Team, . (2003). WHO Advisory Committee on Variola Virus Research : report of the fourth meeting, Geneva, Switzerland, 20-21 November 2002. Geneva: World Health Organization.

Chicago

World Health Organization. Advisory Committee on Variola Virus Research. Meeting (4th: 2002: Geneva Switzerland), World Health Organization. Global Alert and Response Team, . 2003. WHO Advisory Committee on Variola Virus Research : report of the fourth meeting, Geneva, Switzerland, 20-21 November 2002. Geneva: World Health Organization.

Harvard

World Health Organization. Advisory Committee on Variola Virus Research. Meeting (4th: 2002: Geneva S., World Health Organization. Global Alert and Response Team, . (2003). WHO Advisory Committee on Variola Virus Research : report of the fourth meeting, Geneva, Switzerland, 20-21 November 2002. Geneva: World Health Organization.

MLA

World Health Organization. Advisory Committee on Variola Virus Research. Meeting (4th: 2002: Geneva Switzerland), World Health Organization. Global Alert and Response Team, . WHO Advisory Committee on Variola Virus Research : report of the fourth meeting, Geneva, Switzerland, 20-21 November 2002. Geneva: World Health Organization. 2003.