APA (7e ed.) Bronvermelding

RUBEY, H., LOMMEL, G. E., & TODD, M. W. (1950). Engineering survey: Elementary.-- Ed.3. The Macmillan Company.

Chicago (17e ed.) Bronvermelding

RUBEY, Harry, George Edward LOMMEL, en Marion Wesley TODD. Engineering Survey: Elementary.-- Ed.3. New York: The Macmillan Company, 1950.

MLA (9e ed.) Bronvermelding

RUBEY, Harry, et al. Engineering Survey: Elementary.-- Ed.3. The Macmillan Company, 1950.