Cita APA (7th ed.)
Bridge Publications & Hubbard, L. R. (2012). Humanitarian education, literacy & civilization. Bridge Publications.
Cita Chicago (17th ed.)
Bridge Publications i L. Ron Hubbard. Humanitarian Education, Literacy & Civilization. Commerce, Calif: Bridge Publications, 2012.
Cita MLA (9th ed.)
Bridge Publications i L. Ron Hubbard. Humanitarian Education, Literacy & Civilization. Bridge Publications, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.