Cita APA (7a ed.)

World Health Organization. (2012). Guideline Vitamin D supplementation in pregnant women. World Health Organization.

Cita Chicago Style (17a ed.)

World Health Organization. Guideline Vitamin D Supplementation in Pregnant Women. Geneva: World Health Organization, 2012.

Cita MLA (9a ed.)

World Health Organization. Guideline Vitamin D Supplementation in Pregnant Women. World Health Organization, 2012.