Gaya APA
Cowen, T. (2014).
Average Is Over : Powering America Beyond the Age of The Great Stagnation .
New York:
A Plume Book.
Gaya MLA
Cowen, Tyler.
"Average Is Over : Powering America Beyond the Age of The Great Stagnation".
New York:
A Plume Book,
2014.
Text.