Não informado. (1960). Canadian plant disease survey. Plant Research Institute, Department of Agriculture.
Čikaški stil citiranja (17. izdanje)Não informado. Canadian Plant Disease Survey. Ottawa: Plant Research Institute, Department of Agriculture, 1960.
MLA način citiranja (8. izdanje)Não informado. Canadian Plant Disease Survey. Plant Research Institute, Department of Agriculture, 1960.
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