Potter, J. L., & Fich, S. (1963). Theory of networks and lines. Prentice-Hall.
Cita Chicago (17th ed.)Potter, James L., i Sylvan Fich. Theory of Networks and Lines. Englewood Cliffs: Prentice-Hall, 1963.
Cita MLA (9th ed.)Potter, James L., i Sylvan Fich. Theory of Networks and Lines. Prentice-Hall, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.