↑Kennedy, C. H. (1917) Notes on the life history and ecology of the dragonflies (Odonata) of Central California and Nevada. 1. A Pacific coast variety of Agrion aequabile., Proceedings United States National Museum 52 (2192): 483-484, figs. 1-2.
↑Cockerell, T.D.A. (1913) The dragon-fly genus Agrion (Calepteryx) in Colorado., Psyche 20 (6): 173-174.
↑Hagen, H. A. (1889) Synopsis of the Odonata of North America. No 1. [Possibly published January 1890 !], Psyche 5: 241-250.
↑Hagen, H. A. (1875) Synopsis of the Odonata of America., Proceedings Boston Society Natural History 18 (1): 20-96.
↑Say, Th. (1839) Descriptions of new North American neuropterous insects, and observations on some already described., Journal Academy Natural Sciences Philadelphia 8: 9-46.
↑ 7.07.1Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
↑Odonata: Catalogue of the Odonata of the World. Tol J. van , 1 Agosto 2008