Cita APA (7a ed.)

Pavitt, K. (1982). R&D, patenting and innovative activities. [s.n.].

Cita Chicago Style (17a ed.)

Pavitt, Keith. R&D, Patenting and Innovative Activities. [S.l.]: [s.n.], 1982.

Cita MLA (9a ed.)

Pavitt, Keith. R&D, Patenting and Innovative Activities. [s.n.], 1982.