Schumann, G. L. (1991). Plant diseases: Their biology and social impact. International Book Distributors.
Chicago Edition CitationSchumann, Gail L. Plant Diseases: Their Biology and Social Impact. Lucknow: International Book Distributors, 1991.
MLA Edition CitationSchumann, Gail L. Plant Diseases: Their Biology and Social Impact. International Book Distributors, 1991.
Warning: These citations may not always be 100% accurate.