Holiday Ryan. (2014). Obstacle is the Way: The Ancient Art of turning adversity to advantage. Profile Books Ltd.
Citação do estilo Chicago (17ª ed.)Holiday Ryan. Obstacle Is the Way: The Ancient Art of Turning Adversity to Advantage. London: Profile Books Ltd, 2014.
Citação MLA (9ª ed.)Holiday Ryan. Obstacle Is the Way: The Ancient Art of Turning Adversity to Advantage. Profile Books Ltd, 2014.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.