APA

National Roads Board N. Z. R. R. U. B. n. 4., . (1979). Stabilization seminar 1978. University of Waikato 21-26 November 1978. Wellington: National Roads Board, New Zealand. Road Research Unit. Bulletin no 40.

Chicago

National Roads Board New Zealand Road Research Unit Bulletin no 40, . 1979. Stabilization seminar 1978. University of Waikato 21-26 November 1978. Wellington: National Roads Board, New Zealand. Road Research Unit. Bulletin no 40.

Harvard

National Roads Board N. Z. R. R. U. B. n. 4., . (1979). Stabilization seminar 1978. University of Waikato 21-26 November 1978. Wellington: National Roads Board, New Zealand. Road Research Unit. Bulletin no 40.

MLA

National Roads Board New Zealand Road Research Unit Bulletin no 40, . Stabilization seminar 1978. University of Waikato 21-26 November 1978. Wellington: National Roads Board, New Zealand. Road Research Unit. Bulletin no 40. 1979.