APA

Ryan R., . (2008). 60 Seconds & You´re hired. New York: Penguin Books.

Chicago

Ryan Robin, . 2008. 60 Seconds & You´re hired. New York: Penguin Books.

Harvard

Ryan R., . (2008). 60 Seconds & You´re hired. New York: Penguin Books.

MLA

Ryan Robin, . 60 Seconds & You´re hired. New York: Penguin Books. 2008.