Rubey, H., Logan, J. A., & Milner, W. W. (1970). The engineer and professional management (3d ed.). Iowa State University Press.
Cita Chicago (17th ed.)Rubey, Harry, John Alexander Logan, i Walker W. Milner. The Engineer and Professional Management. 3d ed. Ames: Iowa State University Press, 1970.
Cita MLA (9th ed.)Rubey, Harry, et al. The Engineer and Professional Management. 3d ed. Iowa State University Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.