Παραπομπή σε μορφή APA (7η εκδ.)

Öborn, I. (1994). Morphology, chemistry, mineralogy and fertility of some acid sulfate soils in Sweden. Dept. of Soil Sciences, Swedish University of Agricultural Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Öborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Uppsala: Dept. of Soil Sciences, Swedish University of Agricultural Sciences, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Öborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Dept. of Soil Sciences, Swedish University of Agricultural Sciences, 1994.