Hubbard, L. R. (2010). The Way to happiness: A common sense guide to better living. L. Ron Hubbard Library.
Chicago Style (17. basım) AtıfHubbard, L. Ron. The Way to Happiness: A Common Sense Guide to Better Living. [United States]: L. Ron Hubbard Library, 2010.
MLA (9th ed.) AtıfHubbard, L. Ron. The Way to Happiness: A Common Sense Guide to Better Living. L. Ron Hubbard Library, 2010.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..