(1997). Crucifer diseases: A practical guide for seedsmen, growers and agricultural advisors. Petoseed.
Citazione stile Chigago Style (17a edizione)Crucifer Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. Saticoy: Petoseed, 1997.
Citatione MLA (9a ed.)Crucifer Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. Petoseed, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.