Hubbard, L. R. (2012). Freedom fighter: Articles & essays. Bridge Publications.
Lua i Stíl Chicago (17ú heag.)Hubbard, L. Ron. Freedom Fighter: Articles & Essays. Commerce, Calif: Bridge Publications, 2012.
Lua MLA (9ú heag.)Hubbard, L. Ron. Freedom Fighter: Articles & Essays. Bridge Publications, 2012.
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