APA
Prins W., . (1980). Proceedings of an international symposium of the European grassland federation on the role of nitrogen in intensive grassland production. : .
Chicago
Prins W.H, . 1980. Proceedings of an international symposium of the European grassland federation on the role of nitrogen in intensive grassland production. : .
Harvard
Prins W., . (1980). Proceedings of an international symposium of the European grassland federation on the role of nitrogen in intensive grassland production. : .
MLA
Prins W.H, . Proceedings of an international symposium of the European grassland federation on the role of nitrogen in intensive grassland production. : . 1980.
