Cita APA (7a ed.)

Fu, X., & Yang, Q. (2009). Exploring the Cross Country Innovation Gap in Patenting: A Stochastic Frontier Approach. Elsevier.

Cita Chicago Style (17a ed.)

Fu, X., y Q. Yang. Exploring the Cross Country Innovation Gap in Patenting: A Stochastic Frontier Approach. Elsevier, 2009.

Cita MLA (9a ed.)

Fu, X., y Q. Yang. Exploring the Cross Country Innovation Gap in Patenting: A Stochastic Frontier Approach. Elsevier, 2009.