APA

Walker W. A., . (1951). Industrial internal auditing. New York: McGraw-Hill.

Chicago

Walker Wilbert Alden, . 1951. Industrial internal auditing. New York: McGraw-Hill.

Harvard

Walker W. A., . (1951). Industrial internal auditing. New York: McGraw-Hill.

MLA

Walker Wilbert Alden, . Industrial internal auditing. New York: McGraw-Hill. 1951.