Não informado. (1954). SPECIAL BULLETIN OF THE COLLEGE OF AGRICULTURE, UTSUNOMIYA UNIVERSITY. Utsunomiya University.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. SPECIAL BULLETIN OF THE COLLEGE OF AGRICULTURE, UTSUNOMIYA UNIVERSITY. Utsunomiya, Japão: Utsunomiya University, 1954.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. SPECIAL BULLETIN OF THE COLLEGE OF AGRICULTURE, UTSUNOMIYA UNIVERSITY. Utsunomiya University, 1954.
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