APA ציטוט
Butler, R. W. (1997). The great blue heron: A natural history and ecology of a seashore sentinel. UBC Press.
Chicago Style (17th ed.) Citation
Butler, Robert William. The Great Blue Heron: A Natural History and Ecology of a Seashore Sentinel. Vancouver, BC: UBC Press, 1997.
ציטוט MLA
Butler, Robert William. The Great Blue Heron: A Natural History and Ecology of a Seashore Sentinel. UBC Press, 1997.
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