Darwin, C., & Burrow, J. W. (1868). The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life. Penguin Books.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDarwin, Charles, এবং J. W. Burrow. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. Penguin Books, 1868.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিDarwin, Charles, এবং J. W. Burrow. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. Penguin Books, 1868.
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