APA:
Kopiński, Jerzy, Tujaka, Arkadiusz, Igras, Janusz (2006). Nitrogen and phosphorus budgets in Poland as a tool for sustainable nutrients management.
Acta agriculturae Slovenica, volume 87, issue 1, str. 173-181.
URN:NBN:SI:DOC-16KLB67A from http://www.dlib.si
MLA:
Kopiński, Jerzy, Tujaka, Arkadiusz, Igras, Janusz. "Nitrogen and phosphorus budgets in Poland as a tool for sustainable nutrients management."
Acta agriculturae Slovenica volume 87. issue 1 (2006) str. 173-181.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-16KLB67A>