(1988). Cucurbit diseases: A practical guide for seedsmen, growers and agricultural advisors. Petoseed.
Cita Chicago (17th ed.)Cucurbit Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. Saticoy: Petoseed, 1988.
Cita MLA (9th ed.)Cucurbit Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. Petoseed, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.