Gaya APA

Wigan, Ramsay. (1971). A perturbation model for congested and overloaded transportation networks . : TRRL.

Gaya Chicago

Wigan, Ramsay. A perturbation model for congested and overloaded transportation networks. : TRRL, 1971. Chart.

Gaya MLA

Wigan, Ramsay. A perturbation model for congested and overloaded transportation networks. : TRRL, 1971. Chart.

Gaya Turabian

Wigan, Ramsay. A perturbation model for congested and overloaded transportation networks. : TRRL, 1971. Chart.