APA

Harford T., . (2007). The undercover economist. New York: Random House Paperbacks.

Chicago

Harford Tim, . 2007. The undercover economist. New York: Random House Paperbacks.

Harvard

Harford T., . (2007). The undercover economist. New York: Random House Paperbacks.

MLA

Harford Tim, . The undercover economist. New York: Random House Paperbacks. 2007.