Wikström, F. (1995). Modelling plant growth using the nutrient productivity theory and different models of nutrient uptake. Sveriges Lantbruksuniversitet.
Chicago-Zitierstil (17. Ausg.)Wikström, Fredrik. Modelling Plant Growth Using the Nutrient Productivity Theory and Different Models of Nutrient Uptake. Uppsala: Sveriges Lantbruksuniversitet, 1995.
MLA-Zitierstil (9. Ausg.)Wikström, Fredrik. Modelling Plant Growth Using the Nutrient Productivity Theory and Different Models of Nutrient Uptake. Sveriges Lantbruksuniversitet, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.