APA Style

Holtz, Robert D., Kovacz, William D.. (1981). An Introduction To Geotechnical Engineering . New Yersey: PRESNTICE-HALL.

Chicago Style

Holtz, Robert D., Kovacz, William D.. An Introduction To Geotechnical Engineering. New Yersey: PRESNTICE-HALL, 1981. .

MLA Style

Holtz, Robert D., Kovacz, William D.. An Introduction To Geotechnical Engineering. New Yersey: PRESNTICE-HALL, 1981. .

Turabian Style

Holtz, Robert D., Kovacz, William D.. An Introduction To Geotechnical Engineering. New Yersey: PRESNTICE-HALL, 1981. .