Simmons, B., Lintott, C., Schawinski, K., Moran, E., Han, A., Kaviraj, S., . . . Nichol, R. (2012). Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes.
Chicago-čujuhus (17. p.)Simmons, B., et al. Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes. 2012.
MLA-čujuhus (9. p.)Simmons, B., et al. Galaxy Zoo: Bulgeless Galaxies With Growing Black Holes. 2012.
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