Regan, T. (2013). A causa dos direitos dos animais. Revista brasileira de direito animal = Brazilian animal rights review Vol. 8, n. 12 (jan./abr. 2013), p. 17-38.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRegan, Tom. A Causa Dos Direitos Dos Animais. Revista brasileira de direito animal = Brazilian animal rights review Vol. 8, n. 12 (jan./abr. 2013), p. 17-38, 2013.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRegan, Tom. A Causa Dos Direitos Dos Animais. Revista brasileira de direito animal = Brazilian animal rights review Vol. 8, n. 12 (jan./abr. 2013), p. 17-38, 2013.
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