APA

Grant M., Marais C. & Uys D. (1979). Investigation of an asphalt overlay on a lightly trafficked road showing premature cracking. Pretoria: National Institute for Transport and Road Research. RR no 275.

Chicago

Grant MC, Marais CP and Uys DG. 1979. Investigation of an asphalt overlay on a lightly trafficked road showing premature cracking. Pretoria: National Institute for Transport and Road Research. RR no 275.

Harvard

Grant M., Marais C. and Uys D. (1979). Investigation of an asphalt overlay on a lightly trafficked road showing premature cracking. Pretoria: National Institute for Transport and Road Research. RR no 275.

MLA

Grant MC, Marais CP and Uys DG. Investigation of an asphalt overlay on a lightly trafficked road showing premature cracking. Pretoria: National Institute for Transport and Road Research. RR no 275. 1979.