Não informado. (1969). Progressive Horticulture. Hill Horticulture Development Board, Horticultural Experiments and Training.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Progressive Horticulture. Chaubattia, India: Hill Horticulture Development Board, Horticultural Experiments and Training, 1969.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Progressive Horticulture. Hill Horticulture Development Board, Horticultural Experiments and Training, 1969.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.