Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationLüken, H., & Blümel, G. (1984). Phosphate rock as a direct application fertilizer: Can it help to relieve food shortage in some low income developing countries? Schweizerbart.
Chicago Citation Edition CitationLüken, Halo, und Georg Blümel. Phosphate Rock as a Direct Application Fertilizer: Can It Help to Relieve Food Shortage in Some Low Income Developing Countries? Stuttgart: Schweizerbart, 1984.
MLA Citation Edition CitationLüken, Halo, und Georg Blümel. Phosphate Rock as a Direct Application Fertilizer: Can It Help to Relieve Food Shortage in Some Low Income Developing Countries? Schweizerbart, 1984.
