Afonso, J., Bizzocchi, L., Ibar, E., Grossi, M., Simpson, C., Chapman, S., . . . Oliver, S. (2011). ULTRA STEEP SPECTRUM RADIO SOURCES IN THE LOCKMAN HOLE: SERVS IDENTIFICATIONS AND REDSHIFT DISTRIBUTION AT THE FAINTEST RADIO FLUXES. Institute of Physics Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Afonso, J., et al. ULTRA STEEP SPECTRUM RADIO SOURCES IN THE LOCKMAN HOLE: SERVS IDENTIFICATIONS AND REDSHIFT DISTRIBUTION AT THE FAINTEST RADIO FLUXES. Institute of Physics Publishing, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Afonso, J., et al. ULTRA STEEP SPECTRUM RADIO SOURCES IN THE LOCKMAN HOLE: SERVS IDENTIFICATIONS AND REDSHIFT DISTRIBUTION AT THE FAINTEST RADIO FLUXES. Institute of Physics Publishing, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.