Hubbard, L. R. (2010). The Way to happiness: A common sense guide to better living. L. Ron Hubbard Library.
Citazione stile Chigago Style (17a edizione)Hubbard, L. Ron. The Way to Happiness: A Common Sense Guide to Better Living. [United States]: L. Ron Hubbard Library, 2010.
Citatione MLA (9a ed.)Hubbard, L. Ron. The Way to Happiness: A Common Sense Guide to Better Living. L. Ron Hubbard Library, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.