Ryder, J. Networks, Lines and Fields (2nd.).
Cita Chicago Style (17a ed.)Ryder, J.D. Networks, Lines and Fields. 2nd. New Delhi PHI-Learning 1997.
Cita MLA (9a ed.)Ryder, J.D. Networks, Lines and Fields. 2nd.
Precaución: Estas citas no son 100% exactas.