APA

National Institute for Transport and Road Research. Technical report RP 1973:9, . (1973). Pavements with bitumen- or tar-treated bases and lime- or cement-treated substances. Pretoria: National Institute for Transport and Road Research. Technical report RP 1973:9.

Chicago

National Institute for Transport and Road Research. Technical report RP 1973:9, . 1973. Pavements with bitumen- or tar-treated bases and lime- or cement-treated substances. Pretoria: National Institute for Transport and Road Research. Technical report RP 1973:9.

Harvard

National Institute for Transport and Road Research. Technical report RP 1973:9, . (1973). Pavements with bitumen- or tar-treated bases and lime- or cement-treated substances. Pretoria: National Institute for Transport and Road Research. Technical report RP 1973:9.

MLA

National Institute for Transport and Road Research. Technical report RP 1973:9, . Pavements with bitumen- or tar-treated bases and lime- or cement-treated substances. Pretoria: National Institute for Transport and Road Research. Technical report RP 1973:9. 1973.