Hubbard, L. R. (2012). Adventurer/explorer: Daring deeds & unknown realms. Bridge Pub.
Cita Chicago (17th ed.)Hubbard, L. Ron. Adventurer/explorer: Daring Deeds & Unknown Realms. Commerce, Calif: Bridge Pub, 2012.
Cita MLA (9th ed.)Hubbard, L. Ron. Adventurer/explorer: Daring Deeds & Unknown Realms. Bridge Pub, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.