Haydon, B. (1967). The year 2000. Rand Corporation.
Cita Chicago Style (17a ed.)Haydon, Brownlee. The Year 2000. Santa Monica, California: Rand Corporation, 1967.
Cita MLA (9a ed.)Haydon, Brownlee. The Year 2000. Rand Corporation, 1967.
Precaución: Estas citas no son 100% exactas.
