Gaya APA

Forbes, W, G., Pope, C. (1961). Lubrication industrial and marine machinery. (1961). : New York : John Wiley & Sons, Inc.,.

Gaya MLA

Forbes, William, Gordon., Pope, C.L.. "Lubrication industrial and marine machinery.". 1961 : New York : John Wiley & Sons, Inc.,, 1961. Text.