APA

Wigan M., . (1979). Indicators for the analysis, monitoring and planning of freight policies and activities. Vermont, Vict: Australian Road Research Board. Research report no 100.

Chicago

Wigan MR, . 1979. Indicators for the analysis, monitoring and planning of freight policies and activities. Vermont, Vict: Australian Road Research Board. Research report no 100.

Harvard

Wigan M., . (1979). Indicators for the analysis, monitoring and planning of freight policies and activities. Vermont, Vict: Australian Road Research Board. Research report no 100.

MLA

Wigan MR, . Indicators for the analysis, monitoring and planning of freight policies and activities. Vermont, Vict: Australian Road Research Board. Research report no 100. 1979.