APA
Ker I., . (1977). Research into road vehicle operating costs and its application in Australian conditions. Vermont South, Vict: Australian Road Research Board. RR 77.
Chicago
Ker IR, . 1977. Research into road vehicle operating costs and its application in Australian conditions. Vermont South, Vict: Australian Road Research Board. RR 77.
Harvard
Ker I., . (1977). Research into road vehicle operating costs and its application in Australian conditions. Vermont South, Vict: Australian Road Research Board. RR 77.
MLA
Ker IR, . Research into road vehicle operating costs and its application in Australian conditions. Vermont South, Vict: Australian Road Research Board. RR 77. 1977.