APA

Legget R. F., Hatheway A. W., . (1988). Geology and engineering. New York: McGraw-Hill Book Company.

Chicago

Legget Robert F, Hatheway Allen W, . 1988. Geology and engineering. New York: McGraw-Hill Book Company.

Harvard

Legget R. F., Hatheway A. W., . (1988). Geology and engineering. New York: McGraw-Hill Book Company.

MLA

Legget Robert F, Hatheway Allen W, . Geology and engineering. New York: McGraw-Hill Book Company. 1988.