APA

National Institute for Transport and Road Research. Technical report RT/24/80, . (1980). Commuter information system (CIS). Pretoria: National Institute for Transport and Road Research. Technical report RT/24/80.

Chicago

National Institute for Transport and Road Research. Technical report RT/24/80, . 1980. Commuter information system (CIS). Pretoria: National Institute for Transport and Road Research. Technical report RT/24/80.

Harvard

National Institute for Transport and Road Research. Technical report RT/24/80, . (1980). Commuter information system (CIS). Pretoria: National Institute for Transport and Road Research. Technical report RT/24/80.

MLA

National Institute for Transport and Road Research. Technical report RT/24/80, . Commuter information system (CIS). Pretoria: National Institute for Transport and Road Research. Technical report RT/24/80. 1980.