Organisation for Economic Co-operation and Development, Czech Republic. Ministerstvo zemedelstvi, & ProQuest (Firm). (2010). Challenges for agricultural research. OECD ; Ministry of Agriculture of the Czech Republic.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development, Czech Republic. Ministerstvo zemedelstvi, και ProQuest (Firm). Challenges for Agricultural Research. [Paris] : Praha: OECD ; Ministry of Agriculture of the Czech Republic, 2010.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development, et al. Challenges for Agricultural Research. OECD ; Ministry of Agriculture of the Czech Republic, 2010.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.