APA

Visser A., . (1975). Inspection report after four years for the experiment on Road 034 (Nigel-Devon) laid to investigate the performance of stone precoated with various materials in single resealing. Pretoria: National institute for Road Research. Internal report nr RC/1/75.

Chicago

Visser AT, . 1975. Inspection report after four years for the experiment on Road 034 (Nigel-Devon) laid to investigate the performance of stone precoated with various materials in single resealing. Pretoria: National institute for Road Research. Internal report nr RC/1/75.

Harvard

Visser A., . (1975). Inspection report after four years for the experiment on Road 034 (Nigel-Devon) laid to investigate the performance of stone precoated with various materials in single resealing. Pretoria: National institute for Road Research. Internal report nr RC/1/75.

MLA

Visser AT, . Inspection report after four years for the experiment on Road 034 (Nigel-Devon) laid to investigate the performance of stone precoated with various materials in single resealing. Pretoria: National institute for Road Research. Internal report nr RC/1/75. 1975.