(2008). Zany, Zeal, Zest and Zing: The Z Way to Happiness. World Scientific.
Cita Chicago Style (17a ed.)Zany, Zeal, Zest and Zing: The Z Way to Happiness. World Scientific, 2008.
Cita MLA (8a ed.)Zany, Zeal, Zest and Zing: The Z Way to Happiness. World Scientific, 2008.
Precaución: Estas citas no son 100% exactas.