APA
CHRIS J. N. FLETCHER, .GEOLOGY FOR GROUND ENGINEERING PROJECTS. : T&F.
Chicago
CHRIS J. N. FLETCHER, .GEOLOGY FOR GROUND ENGINEERING PROJECTS. : T&F.
Harvard
CHRIS J. N. FLETCHER, .GEOLOGY FOR GROUND ENGINEERING PROJECTS. : T&F.
MLA
CHRIS J. N. FLETCHER, .: T&F. .