Gaya APA

Hatheway, A, W., Legget, R, F. (1988). Geology and engineering / Robert F. Legget, Allen W. Hatheway (Ed.3, Cet.1). New York: McGraw-Hill book company.

Gaya MLA

Hatheway, Allen, W.., Legget, Robert, F.. "Geology and engineering / Robert F. Legget, Allen W. Hatheway". Ed.3, Cet.1 New York: McGraw-Hill book company, 1988. Textbook.