Kidger, M. R. (2007). Cosmological enigmas: Pulsars, quasars, & other deep-space questions. Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Kidger, Mark R. Cosmological Enigmas: Pulsars, Quasars, & Other Deep-space Questions. Baltimore: Johns Hopkins University Press, 2007.
Lua MLA (9ú heag.)Kidger, Mark R. Cosmological Enigmas: Pulsars, Quasars, & Other Deep-space Questions. Johns Hopkins University Press, 2007.
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