APA

National Institute for Transport and Road Research. RR no 262, . (1979). Fuelling the road ahead. Pretoria: National Institute for Transport and Road Research. RR no 262.

Chicago

National Institute for Transport and Road Research. RR no 262, . 1979. Fuelling the road ahead. Pretoria: National Institute for Transport and Road Research. RR no 262.

Harvard

National Institute for Transport and Road Research. RR no 262, . (1979). Fuelling the road ahead. Pretoria: National Institute for Transport and Road Research. RR no 262.

MLA

National Institute for Transport and Road Research. RR no 262, . Fuelling the road ahead. Pretoria: National Institute for Transport and Road Research. RR no 262. 1979.