Não informado. (2009). Proceedings of the Belfast Natural History and Philosophical Society. Belfast Natural History and Philosophical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Belfast Natural History and Philosophical Society. Belfast, Irlanda: Belfast Natural History and Philosophical Society, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Belfast Natural History and Philosophical Society. Belfast Natural History and Philosophical Society, 2009.
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