APA
Chełkowski J., . (1995). Helminthosporia metabolites, biology, plant diseases Bipolaris, Drechslera, Exserohilum. Poznan: Institute of Plant Genetic Polish Academy of Sciences.
Chicago
Chełkowski Jerzy, . 1995. Helminthosporia metabolites, biology, plant diseases Bipolaris, Drechslera, Exserohilum. Poznan: Institute of Plant Genetic Polish Academy of Sciences.
Harvard
Chełkowski J., . (1995). Helminthosporia metabolites, biology, plant diseases Bipolaris, Drechslera, Exserohilum. Poznan: Institute of Plant Genetic Polish Academy of Sciences.
MLA
Chełkowski Jerzy, . Helminthosporia metabolites, biology, plant diseases Bipolaris, Drechslera, Exserohilum. Poznan: Institute of Plant Genetic Polish Academy of Sciences. 1995.