Eertwegh, G. A. P. H. v. d. (2002). Water and nutrient budgets at field and regional scale: Travel times of drainage water and nutrient loads to surface water. s.n..
Čikaški stil citiranja (17. izdanje)Eertwegh, G. A. P. H. van den. Water and Nutrient Budgets at Field and Regional Scale: Travel Times of Drainage Water and Nutrient Loads to Surface Water. [Wageningen: s.n., 2002.
MLA način citiranja (8. izdanje)Eertwegh, G. A. P. H. van den. Water and Nutrient Budgets at Field and Regional Scale: Travel Times of Drainage Water and Nutrient Loads to Surface Water. s.n., 2002.
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