Hall,Major C B. (2011). Ponds and Fish Culture. agrobios.
Chicago Style aipamenaHall,Major C B. Ponds and Fish Culture. India: agrobios, 2011.
MLA aipamenaHall,Major C B. Ponds and Fish Culture. agrobios, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.