Citazione APA

Hubbard, L. R. (2007). The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation.

Stile di citazione Chicago

Hubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.

Citazione MLA

Hubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.