APA (7e ed.) Bronvermelding

Holiday, R. (2014). Obstacle is the way: The ancient art of turning adversity to advantage (NA.). Profile Books.

Chicago (17e ed.) Bronvermelding

Holiday, Ryan. Obstacle Is the Way: The Ancient Art of Turning Adversity to Advantage. NA. London: Profile Books, 2014.

MLA (9e ed.) Bronvermelding

Holiday, Ryan. Obstacle Is the Way: The Ancient Art of Turning Adversity to Advantage. NA. Profile Books, 2014.