Não informado. (2009). Report and Proceedings of the Belfast Natural History and Philosophical Society. Belfast Natural History and Philosophical Society.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Report and Proceedings of the Belfast Natural History and Philosophical Society. Belfast, Irlanda: Belfast Natural History and Philosophical Society, 2009.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Report and Proceedings of the Belfast Natural History and Philosophical Society. Belfast Natural History and Philosophical Society, 2009.
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