Cita APA (7a ed.)

Bundgaard-Nielsen, M. (1976). The international diffusion of new technology. [s.n.].

Cita Chicago Style (17a ed.)

Bundgaard-Nielsen, Mogens. The International Diffusion of New Technology. [S.l.]: [s.n.], 1976.

Cita MLA (9a ed.)

Bundgaard-Nielsen, Mogens. The International Diffusion of New Technology. [s.n.], 1976.