APA (7th ed.) Zitazioa

Bridge Publications & Hubbard, L. R. (2012). Humanitarian education, literacy & civilization. Bridge Publications.

Chicago Style (17th ed.) Zitazioa

Bridge Publications eta L. Ron Hubbard. Humanitarian Education, Literacy & Civilization. Commerce, Calif: Bridge Publications, 2012.

MLA (9th ed.) Zitazioa

Bridge Publications eta L. Ron Hubbard. Humanitarian Education, Literacy & Civilization. Bridge Publications, 2012.