Hubbard, L. R. (2007). The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation.
Citace podle Chicago (17th ed.)Hubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.
Citace podle MLA (8th ed.)Hubbard, L. Ron. The Way to Happinessa Common Sense Guide to Better Living. The Way to Happiness Foundation, 2007.
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