Legget , R. . F., & Hatheway , A. W. (1988). Geology and engineering (3rd ed.). Mc Graw Hill.
Chicago Style (17th ed.) CitationLegget , Robert F., and Allen W. Hatheway. Geology and Engineering. 3rd ed. New York: Mc Graw Hill, 1988.
MLA (9th ed.) CitationLegget , Robert F., and Allen W. Hatheway. Geology and Engineering. 3rd ed. Mc Graw Hill, 1988.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.