Flood, R. L. (1990). Liberating systems theory. Plenum Press.
Cita Chicago Style (17a ed.)Flood, Robert Louis. Liberating Systems Theory. New York [etc.]: Plenum Press, 1990.
Cita MLA (9a ed.)Flood, Robert Louis. Liberating Systems Theory. Plenum Press, 1990.
Precaución: Estas citas no son 100% exactas.