Gaya APA

Tedlow, R, S. (2010). Denial : why business leaders fail to look facts in the face and what to do about it . New York: Portfolio Penguin.

Gaya MLA

Tedlow, Richard, S.. "Denial : why business leaders fail to look facts in the face and what to do about it". New York: Portfolio Penguin, 2010. Buku/Printed Material.