Morlan, R. E. (1972). Predation at a Northern Yukon Bank Swallow Colony. Zenodo.
Tohutoru Kātū Chicago (17th ed.)Morlan, Richard E. Predation at a Northern Yukon Bank Swallow Colony. Zenodo, 1972.
Tohutoro MLA (9th ed.)Morlan, Richard E. Predation at a Northern Yukon Bank Swallow Colony. Zenodo, 1972.
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