Roberts, N. (2008). Era uma vez uma rosa. Ulisseia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoberts, Nora. Era Uma Vez Uma Rosa. Ulisseia, 2008.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিRoberts, Nora. Era Uma Vez Uma Rosa. Ulisseia, 2008.
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