Sy, S. E. (1971). Introduction to computer-aided solution for shortest-route problems.
Cita Chicago (17th ed.)Sy, Sun Eng. Introduction to Computer-aided Solution for Shortest-route Problems. 1971.
Cita MLA (9th ed.)Sy, Sun Eng. Introduction to Computer-aided Solution for Shortest-route Problems. 1971.
Atenció: Aquestes cites poden no estar 100% correctes.