Hubbard, l. (2007). scientology 8-80; the discovery and increase ofin the genus homo sapiens. New Era.
Lua i Stíl Chicago (17ú heag.)Hubbard, l.Ron. Scientology 8-80; the Discovery and Increase Ofin the Genus Homo Sapiens. [s.l]: New Era, 2007.
Lua MLA (9ú heag.)Hubbard, l.Ron. Scientology 8-80; the Discovery and Increase Ofin the Genus Homo Sapiens. New Era, 2007.
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