RUBEY, H., LOMMEL, G. E., & TODD, M. W. (1950). Engineering survey: Elementary.-- Ed.3. The Macmillan Company.
Chicago-čujuhus (17. p.)RUBEY, Harry, George Edward LOMMEL, juo Marion Wesley TODD. Engineering Survey: Elementary.-- Ed.3. New York: The Macmillan Company, 1950.
MLA-čujuhus (9. p.)RUBEY, Harry, et al. Engineering Survey: Elementary.-- Ed.3. The Macmillan Company, 1950.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.