Olsson, C. H. B. (1999). Diagnosis of root-infecting Phytophthora spp. Swedish University of Agricultural Sciences.
Chicago Style aipamenaOlsson, Christer H. B. Diagnosis of Root-infecting Phytophthora Spp. Uppsala, [Sweden]: Swedish University of Agricultural Sciences, 1999.
MLA aipamenaOlsson, Christer H. B. Diagnosis of Root-infecting Phytophthora Spp. Swedish University of Agricultural Sciences, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.