(1991). Plant soil interactions at low pH: Proceedings of the Second International Symposium on Plant-Soil Interactions at Low pH, 24 - 29 June 1990, Beckley, West Virginia, USA. Kluwer.
Chicago-Zitierstil (17. Ausg.)Plant Soil Interactions at Low PH: Proceedings of the Second International Symposium on Plant-Soil Interactions at Low PH, 24 - 29 June 1990, Beckley, West Virginia, USA. Dordrecht u.a: Kluwer, 1991.
MLA-Zitierstil (9. Ausg.)Plant Soil Interactions at Low PH: Proceedings of the Second International Symposium on Plant-Soil Interactions at Low PH, 24 - 29 June 1990, Beckley, West Virginia, USA. Kluwer, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.