Instituto Brasileiro de Informação em Ciência e Tecnologia

APA (7 ম সংস্করণ) উদ্ধৃতি

Não informado. (2020). Progress Report of the Bulgarian National Committee for the International Biological Programme. Bulgarian National Committee for the International Biological Programme.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Não informado. Progress Report of the Bulgarian National Committee for the International Biological Programme. Sofia: Bulgarian National Committee for the International Biological Programme, 2020.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Não informado. Progress Report of the Bulgarian National Committee for the International Biological Programme. Bulgarian National Committee for the International Biological Programme, 2020.