Wright, E. (1903). Plant disease and its relation to animal life. Swan International.
Chicago-referens (17:e uppl.)Wright, E.F. Plant Disease and Its Relation to Animal Life. London: Swan International, 1903.
MLA-referens (9:e uppl.)Wright, E.F. Plant Disease and Its Relation to Animal Life. Swan International, 1903.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.