Öborn, I. (1994). Morphology, chemistry, mineralogy and fertility of some acid sulfate soils in Sweden. Dept. of Soil Sciences, Swedish University of Agricultural Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रÖborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Uppsala: Dept. of Soil Sciences, Swedish University of Agricultural Sciences, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रÖborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Dept. of Soil Sciences, Swedish University of Agricultural Sciences, 1994.
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