Cita APA (7a ed.)

Annual Conference of the operational research society, Eglese, R., & Hendry, L. (1990). Operational research tutorial papers 1990. [s.n].

Cita Chicago Style (17a ed.)

Annual Conference of the operational research society, R.W Eglese, y L.C Hendry. Operational Research Tutorial Papers 1990. Operational ReSeach Society, U.K: [s.n], 1990.

Cita MLA (9a ed.)

Annual Conference of the operational research society, et al. Operational Research Tutorial Papers 1990. [s.n], 1990.