Klotz, L. J. (1961). Color handbook of citrus diseases. University of California, Division of Agricultural Sciences.
Citazione stile Chigago Style (17a edizione)Klotz, Leo Joseph. Color Handbook of Citrus Diseases. Berkeley: University of California, Division of Agricultural Sciences, 1961.
Citatione MLA (9a ed.)Klotz, Leo Joseph. Color Handbook of Citrus Diseases. University of California, Division of Agricultural Sciences, 1961.
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