Gaya APA

MCLEAN, A., GRIBBLE, C. (1979). GEOLOGY FOR CIVIL ENGINEERS . LONDON: A. . M LEAN AND C.D. GRIBLE.

Gaya MLA

MCLEAN, A.C.., GRIBBLE, C.D.. "GEOLOGY FOR CIVIL ENGINEERS". LONDON: A. . M LEAN AND C.D. GRIBLE, 1979. Text.