Walker, J. C. (1969). Plant pathology (3rd ed.). McGraw-Hill.
Chicago Style aipamenaWalker, John Charles. Plant Pathology. 3rd ed. Bombay: McGraw-Hill, 1969.
MLA aipamenaWalker, John Charles. Plant Pathology. 3rd ed. McGraw-Hill, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.