Powell, R. R. (2005). Wabi sabi simple: Create beauty, value imperfection, live deeply. Adams Media.
Cita Chicago (17th ed.)Powell, Richard R. Wabi Sabi Simple: Create Beauty, Value Imperfection, Live Deeply. Avon, MA: Adams Media, 2005.
Cita MLA (9th ed.)Powell, Richard R. Wabi Sabi Simple: Create Beauty, Value Imperfection, Live Deeply. Adams Media, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.