APA

Davis R. E., Davis R. E., . (1981). Surveying. New York, NY [u.a.]: McGraw-Hill.

Chicago

Davis Raymond Earl, Davis Raymond Earl, . 1981. Surveying. New York, NY [u.a.]: McGraw-Hill.

Harvard

Davis R. E., Davis R. E., . (1981). Surveying. New York, NY [u.a.]: McGraw-Hill.

MLA

Davis Raymond Earl, Davis Raymond Earl, . Surveying. New York, NY [u.a.]: McGraw-Hill. 1981.