Gillespie, S. (1994). Controlling vitamin A deficiency: A report based on the ACC SCN Consultative Group Meeting on Strategies for the Control of Vitamin A Deficiency, 28 - 30 July 1993, Ottawa, Canada. United Nations.
Chicago-Zitierstil (17. Ausg.)Gillespie, Stuart. Controlling Vitamin A Deficiency: A Report Based on the ACC SCN Consultative Group Meeting on Strategies for the Control of Vitamin A Deficiency, 28 - 30 July 1993, Ottawa, Canada. Geneva: United Nations, 1994.
MLA-Zitierstil (9. Ausg.)Gillespie, Stuart. Controlling Vitamin A Deficiency: A Report Based on the ACC SCN Consultative Group Meeting on Strategies for the Control of Vitamin A Deficiency, 28 - 30 July 1993, Ottawa, Canada. United Nations, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.