Cita APA (7a ed.)

Lundvall, B. (1999). National business systems and national systems of innovation. [s.n.].

Cita Chicago Style (17a ed.)

Lundvall, Bengt-Ake. National Business Systems and National Systems of Innovation. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Lundvall, Bengt-Ake. National Business Systems and National Systems of Innovation. [s.n.], 1999.