APA
Grzebisz W., Fotyma M., . (2007). Recommendations and Use of Potassium Fertilisers in Central-Eastern Europe (CEE): Proceedings 621. Paper presented to The International Fertiliser Society at a Conference in Cambridge, on 7th December 2007, organised with the International Potash Institute and Sabanci University. York: International Fertiliser Society.
Chicago
Grzebisz Witold, Fotyma Mariusz, . 2007. Recommendations and Use of Potassium Fertilisers in Central-Eastern Europe (CEE): Proceedings 621. Paper presented to The International Fertiliser Society at a Conference in Cambridge, on 7th December 2007, organised with the International Potash Institute and Sabanci University. York: International Fertiliser Society.
Harvard
Grzebisz W., Fotyma M., . (2007). Recommendations and Use of Potassium Fertilisers in Central-Eastern Europe (CEE): Proceedings 621. Paper presented to The International Fertiliser Society at a Conference in Cambridge, on 7th December 2007, organised with the International Potash Institute and Sabanci University. York: International Fertiliser Society.
MLA
Grzebisz Witold, Fotyma Mariusz, . Recommendations and Use of Potassium Fertilisers in Central-Eastern Europe (CEE): Proceedings 621. Paper presented to The International Fertiliser Society at a Conference in Cambridge, on 7th December 2007, organised with the International Potash Institute and Sabanci University. York: International Fertiliser Society. 2007.