De Propris, R., Colless, M., Peacock, J., Couch, W., Driver, S., Balogh, M., . . . Maddox, S. (2004). The 2dF Galaxy Redshift Survey: The blue galaxy fraction and implications for the Butcher-Oemler effect.
Cita Chicago (17th ed.)De Propris, R., et al. The 2dF Galaxy Redshift Survey: The Blue Galaxy Fraction and Implications for the Butcher-Oemler Effect. 2004.
Cita MLA (9th ed.)De Propris, R., et al. The 2dF Galaxy Redshift Survey: The Blue Galaxy Fraction and Implications for the Butcher-Oemler Effect. 2004.
Atenció: Aquestes cites poden no estar 100% correctes.