APA aipamena

Duncan, J. M., & Buchignani, A. L. (1975). An engineering manual for slope stability studies. Dept. of Civil Engineering, University of California, Berkeley.

Chicago Style aipamena

Duncan, J. M., and A. L. Buchignani. An Engineering Manual for Slope Stability Studies. Berkeley: Dept. of Civil Engineering, University of California, Berkeley, 1975.

MLA aipamena

Duncan, J. M., and A. L. Buchignani. An Engineering Manual for Slope Stability Studies. Dept. of Civil Engineering, University of California, Berkeley, 1975.