Sato, Bun’ei; Izumiura, Hideyuki; Toyota, Eri; Kambe, Eiji; Ikoma, Masahiro; Omiya, Masashi; Masuda, Seiji; Takeda, Yoichi et al. (2008-06-25). “Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae, and HD 81688”. Publications of the Astronomical Society of Japan (Oxford University Press (OUP)) 60 (3): 539–550. arXiv:0802.2590. Bibcode: 2008PASJ...60..539S. doi:10.1093/pasj/60.3.539. ISSN0004-6264.
Sato, Bun’ei; Izumiura, Hideyuki; Toyota, Eri; Kambe, Eiji; Ikoma, Masahiro; Omiya, Masashi; Masuda, Seiji; Takeda, Yoichi et al. (2008-06-25). “Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae, and HD 81688”. Publications of the Astronomical Society of Japan (Oxford University Press (OUP)) 60 (3): 539–550. arXiv:0802.2590. Bibcode: 2008PASJ...60..539S. doi:10.1093/pasj/60.3.539. ISSN0004-6264.
Gardner, Tyler et al. (2018-02-27). “Precision Orbit of δ Delphini and Prospects for Astrometric Detection of Exoplanets”. The Astrophysical Journal (American Astronomical Society) 855 (1): 1-18. Bibcode: 2018ApJ...855....1G. doi:10.3847/1538-4357/aaac80. ISSN1538-4357.
Sato, Bun’ei; Izumiura, Hideyuki; Toyota, Eri; Kambe, Eiji; Ikoma, Masahiro; Omiya, Masashi; Masuda, Seiji; Takeda, Yoichi et al. (2008-06-25). “Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae, and HD 81688”. Publications of the Astronomical Society of Japan (Oxford University Press (OUP)) 60 (3): 539–550. arXiv:0802.2590. Bibcode: 2008PASJ...60..539S. doi:10.1093/pasj/60.3.539. ISSN0004-6264.
Gardner, Tyler et al. (2018-02-27). “Precision Orbit of δ Delphini and Prospects for Astrometric Detection of Exoplanets”. The Astrophysical Journal (American Astronomical Society) 855 (1): 1-18. Bibcode: 2018ApJ...855....1G. doi:10.3847/1538-4357/aaac80. ISSN1538-4357.
Sato, Bun’ei; Izumiura, Hideyuki; Toyota, Eri; Kambe, Eiji; Ikoma, Masahiro; Omiya, Masashi; Masuda, Seiji; Takeda, Yoichi et al. (2008-06-25). “Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae, and HD 81688”. Publications of the Astronomical Society of Japan (Oxford University Press (OUP)) 60 (3): 539–550. arXiv:0802.2590. Bibcode: 2008PASJ...60..539S. doi:10.1093/pasj/60.3.539. ISSN0004-6264.
Gardner, Tyler et al. (2018-02-27). “Precision Orbit of δ Delphini and Prospects for Astrometric Detection of Exoplanets”. The Astrophysical Journal (American Astronomical Society) 855 (1): 1-18. Bibcode: 2018ApJ...855....1G. doi:10.3847/1538-4357/aaac80. ISSN1538-4357.
Hard, Robin (2015-08-01). “14. Triangulum, the Triangle, also known in the ancient world as Deltoton”. Constellation Myths: with Aratus's Phaenomena. Oxford Worlds Classics. Oxford University Press. pp. 52-55. ISBN978-0-19871-698-3. OCLC1026890396