Não informado. (1957). Belmontia: Miscellaneous publications in botany. Agricultural University, Laboratory of Plant Taxonomy and Geography.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Belmontia: Miscellaneous Publications in Botany. Wageningen, Holanda: Agricultural University, Laboratory of Plant Taxonomy and Geography, 1957.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Belmontia: Miscellaneous Publications in Botany. Agricultural University, Laboratory of Plant Taxonomy and Geography, 1957.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.