APA (7 ম সংস্করণ) উদ্ধৃতি

(1979). Unesco's acativities in science and technology in the European and North American region. Unesco.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Unesco's Acativities in Science and Technology in the European and North American Region. Paris: Unesco, 1979.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Unesco's Acativities in Science and Technology in the European and North American Region. Unesco, 1979.