Não informado. (1960). Canadian plant disease survey. Plant Research Institute, Department of Agriculture.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Canadian Plant Disease Survey. Ottawa: Plant Research Institute, Department of Agriculture, 1960.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Canadian Plant Disease Survey. Plant Research Institute, Department of Agriculture, 1960.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.