(1993). Applied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press.
Chicago Style aipamenaApplied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press, 1993.
MLA aipamenaApplied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.