(2003). Biological Resource Management in Agriculture. OECD.
Chicago Style (17th ed.) ZitazioaBiological Resource Management in Agriculture. : S.l.: OECD, 2003.
MLA (9th ed.) ZitazioaBiological Resource Management in Agriculture. OECD, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.