Hoek, E., & Bray, J. (1981). Rock slope engineering (3rd rev. ed.). E & FN Spon for the Institution of Mining & Metallurgy.
Chicago Style (17th ed.) CitationHoek, Evert, and John Bray. Rock Slope Engineering. 3rd rev. ed. London: E & FN Spon for the Institution of Mining & Metallurgy, 1981.
MLA (9th ed.) CitationHoek, Evert, and John Bray. Rock Slope Engineering. 3rd rev. ed. E & FN Spon for the Institution of Mining & Metallurgy, 1981.
Warning: These citations may not always be 100% accurate.