C William. (1992). FAO training series N.19: Simple economic and bookeeping for fish farmers. Rome: FAO.
Chicago Style aipamenaC William. FAO Training Series N.19: Simple Economic and Bookeeping for Fish Farmers. Rome: FAO, 1992.
MLA aipamenaC William. FAO Training Series N.19: Simple Economic and Bookeeping for Fish Farmers. Rome: FAO, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.