LANGONI, C. G. (1974). As causas do crescimento econômico do Brasil. APEC.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLANGONI, CARLOS GERALDO. As Causas Do Crescimento Econômico Do Brasil. Rio de Janeiro: APEC, 1974.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিLANGONI, CARLOS GERALDO. As Causas Do Crescimento Econômico Do Brasil. APEC, 1974.
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