Hubbard, L. R. (2007). The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation.
Citación estilo ChicagoHubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.
Cita MLAHubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.
Warning: These citations may not always be 100% accurate.