H Jasirowski. (1988). The international friesian strain comparison trial a world perspective. Rome: FAO.
Chicago Style aipamenaH Jasirowski. The International Friesian Strain Comparison Trial a World Perspective. Rome: FAO, 1988.
MLA aipamenaH Jasirowski. The International Friesian Strain Comparison Trial a World Perspective. Rome: FAO, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.