APA (7 ম সংস্করণ) উদ্ধৃতি

Serra, A. B. (1938). Secondary circulation of southern Brasil. Serviço de publicações d.a.c..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Serra, Adalberto B. Secondary Circulation of Southern Brasil. Rio de Janeiro: Serviço de publicações d.a.c., 1938.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Serra, Adalberto B. Secondary Circulation of Southern Brasil. Serviço de publicações d.a.c., 1938.

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