Vanhala, P. (1999). Microbiological indicators of soil pollution in boreal forest ecosystems with special reference to the soil respiration of the humus layer. Finnish Environment Inst.
Chicago-Zitierstil (17. Ausg.)Vanhala, Pekka. Microbiological Indicators of Soil Pollution in Boreal Forest Ecosystems with Special Reference to the Soil Respiration of the Humus Layer. Helsinki: Finnish Environment Inst, 1999.
MLA-Zitierstil (9. Ausg.)Vanhala, Pekka. Microbiological Indicators of Soil Pollution in Boreal Forest Ecosystems with Special Reference to the Soil Respiration of the Humus Layer. Finnish Environment Inst, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.