APA (7th ed.) Zitazioa

Coe, H. S. Sweet Clover: Harvesting and Thrashing the Seed Crop.

Chicago Style (17th ed.) Zitazioa

Coe, H. S. Sweet Clover: Harvesting and Thrashing the Seed Crop.

MLA (9th ed.) Zitazioa

Coe, H. S. Sweet Clover: Harvesting and Thrashing the Seed Crop.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.