APA

(1977). Numerical Methods in Geotechnical Engineering. New York: McGraw-Hill Publishing Company.

Chicago

1977. Numerical Methods in Geotechnical Engineering. New York: McGraw-Hill Publishing Company.

Harvard

(1977). Numerical Methods in Geotechnical Engineering. New York: McGraw-Hill Publishing Company.

MLA

Numerical Methods in Geotechnical Engineering. New York: McGraw-Hill Publishing Company. 1977.