Burbidge, E. M., Sinha, R. P., & Velusamy, T. (1968). Lectures on radio galaxies and quasi-stellar objects. Tata Institute of Fundamental Research.
Lua i Stíl Chicago (17ú heag.)Burbidge, E. Margaret, R. P. Sinha, agus T. Velusamy. Lectures on Radio Galaxies and Quasi-stellar Objects. Bombay: Tata Institute of Fundamental Research, 1968.
Lua MLA (8ú heag.)Burbidge, E. Margaret, et al. Lectures on Radio Galaxies and Quasi-stellar Objects. Tata Institute of Fundamental Research, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.