^R. W. Sinnott (编). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. 1988. ISBN 978-0-933346-51-2.
^ 2.02.12.22.32.42.52.62.7NASA/IPAC Extragalactic Database. Results for NGC 4656. [2006-04-30].
^[email protected]. Hockey Stick Galaxy NGC 4656. www.noirlab.edu. [2023-12-02](英语).
^[email protected]. The Hockey Stick Galaxy. www.spacetelescope.org. [2023-12-02](英语).
^The Hockey Stick Galaxy. www.spacetelescope.org. [31 July 2017].
^Smith, Nathan; Li, Weidong; Silverman, Jeffrey M.; Ganeshalingam, Mohan; Filippenko, Alexei V. Luminous blue variable eruptions and related transients: diversity of progenitors and outburst properties: LBV diversity. Monthly Notices of the Royal Astronomical Society. 2011-07-21, 415 (1): 773–810. arXiv:1010.3718. doi:10.1111/j.1365-2966.2011.18763.x(英语).