Watterson, J. C. (1985). Tomato diseases: A practical guide for seedsmen, growers and agricultural advisors (1st edition.). Petoseed.
Cita Chicago Style (17a ed.)Watterson, Jon C. Tomato Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. 1st edition. California: Petoseed, 1985.
Cita MLA (8a ed.)Watterson, Jon C. Tomato Diseases: A Practical Guide for Seedsmen, Growers and Agricultural Advisors. 1st edition. Petoseed, 1985.
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