Howard D. Leathers & Phillip Foster. (2005). The World food Problem (Ed-3.). Viva Books Pvt. Ltd.
Chicago Edition CitationHoward D. Leathers i Phillip Foster. The World Food Problem. Ed-3. New Delhi: Viva Books Pvt. Ltd, 2005.
Cita MLAHoward D. Leathers i Phillip Foster. The World Food Problem. Ed-3. Viva Books Pvt. Ltd, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.