Cita APA (7th ed.)

World Health Organization, ebrary, Inc, Stuart, M. C., Kouimtzi, M., & Hill, S. (2009). WHO model formulary 2008. World Health Organization.

Cita Chicago (17th ed.)

World Health Organization, Inc ebrary, Mark C. Stuart, Maria Kouimtzi, i Suzanne Hill. WHO Model Formulary 2008. Geneva: World Health Organization, 2009.

Cita MLA (9th ed.)

World Health Organization, et al. WHO Model Formulary 2008. World Health Organization, 2009.