APA (7th ed.) Citation

Van Zyl, N. J. W. (1980). A computer program for the performance of utility analysis. National Institute for Transport and Road Research.

Chicago Style (17th ed.) Citation

Van Zyl, N. J. W. A Computer Program for the Performance of Utility Analysis. Pretoria: National Institute for Transport and Road Research, 1980.

MLA (9th ed.) Citation

Van Zyl, N. J. W. A Computer Program for the Performance of Utility Analysis. National Institute for Transport and Road Research, 1980.