Holmes, W. (1980). Grass: Its production and utilization (2nd ed.). Blackwell Scientific Publications.
Chicago Style aipamenaHolmes, W. Grass: Its Production and Utilization. 2nd ed. Oxford: Blackwell Scientific Publications, 1980.
MLA aipamenaHolmes, W. Grass: Its Production and Utilization. 2nd ed. Blackwell Scientific Publications, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.