Rabolu, V. M. (1999). Hercolubus or red planet. C.Volkenborn Verlag.
Tohutoru Kātū Chicago (17th ed.)Rabolu, V. M. Hercolubus or Red Planet. Bad Orb: C.Volkenborn Verlag, 1999.
Tohutoro MLA (9th ed.)Rabolu, V. M. Hercolubus or Red Planet. C.Volkenborn Verlag, 1999.
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