APA (7 ম সংস্করণ) উদ্ধৃতি

Não informado. (1971). Educational broadcasting international. Centre for Educational Television Overseas.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Não informado. Educational Broadcasting International. London: Centre for Educational Television Overseas, 1971.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Não informado. Educational Broadcasting International. Centre for Educational Television Overseas, 1971.

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