APA
MacKenzie G. H., Taureau J., . (1997). Recommendation systems for nitrogen - a review: Paper presented to the Fertiliser Society in Cambridge, on the 11th December 1997. Cambridge: The Fertiliser Society.
Chicago
MacKenzie G H, Taureau J-C, . 1997. Recommendation systems for nitrogen - a review: Paper presented to the Fertiliser Society in Cambridge, on the 11th December 1997. Cambridge: The Fertiliser Society.
Harvard
MacKenzie G. H., Taureau J., . (1997). Recommendation systems for nitrogen - a review: Paper presented to the Fertiliser Society in Cambridge, on the 11th December 1997. Cambridge: The Fertiliser Society.
MLA
MacKenzie G H, Taureau J-C, . Recommendation systems for nitrogen - a review: Paper presented to the Fertiliser Society in Cambridge, on the 11th December 1997. Cambridge: The Fertiliser Society. 1997.
TekstJęzyk: angielski Serie: Proceedings - The Fertiliser Society ; No. 403Szczegóły wydania: Cambridge : The Fertiliser Society, 1997.Opis: 52 s. : wykr. ; 21 cm.ISBN: 
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