APA
Beer ferdinand P & johnston, . (1992). Mechanics of materials. : London mcgrew hill.
Chicago
Beer ferdinand P & johnston, . 1992. Mechanics of materials. : London mcgrew hill.
Harvard
Beer ferdinand P & johnston, . (1992). Mechanics of materials. : London mcgrew hill.
MLA
Beer ferdinand P & johnston, . Mechanics of materials. : London mcgrew hill. 1992.