Hubbard, L. R. The way to happiness a common sense guide to better living. The Way to Happiness Foundation.
Citação norma ChicagoHubbard, L. Ron. The Way to Happiness a Common Sense Guide to Better Living. The Way to Happiness Foundation.
Citação norma MLAHubbard, L. Ron. The Way to Happiness a Common Sense Guide to Better Living. The Way to Happiness Foundation.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.