APA

Vuuren D. v., Marriott N., . (1971). Reasons behind the changes in vehicle load limits in the new road regulations. ( South African Mechanical Engineer. 1971. Nov. s 326-29). Pretoria: National Institute for Road Research RR nr 134.

Chicago

Vuuren DJ van, Marriott NO, . 1971. Reasons behind the changes in vehicle load limits in the new road regulations. ( South African Mechanical Engineer. 1971. Nov. s 326-29). Pretoria: National Institute for Road Research RR nr 134.

Harvard

Vuuren D. v., Marriott N., . (1971). Reasons behind the changes in vehicle load limits in the new road regulations. ( South African Mechanical Engineer. 1971. Nov. s 326-29). Pretoria: National Institute for Road Research RR nr 134.

MLA

Vuuren DJ van, Marriott NO, . Reasons behind the changes in vehicle load limits in the new road regulations. ( South African Mechanical Engineer. 1971. Nov. s 326-29). Pretoria: National Institute for Road Research RR nr 134. 1971.