Ryder, J. D. (1977). Networks, lines and fields (2.).
Chicago Style aipamenaRyder, John D. Networks, Lines and Fields. 2. Prentice-Hall of India Pvt. Ltd., New Delhi, 1977.
MLA aipamenaRyder, John D. Networks, Lines and Fields. 2. 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.