Walker, C. (2009). 29 gifts: How a month of giving can change your life. Da Capo Lifelong.
Cita Chicago Style (17a ed.)Walker, Cami. 29 Gifts: How a Month of Giving Can Change Your Life. Cambridge, Mass.: Da Capo Lifelong, 2009.
Cita MLA (8a ed.)Walker, Cami. 29 Gifts: How a Month of Giving Can Change Your Life. Da Capo Lifelong, 2009.
Precaución: Estas citas no son 100% exactas.