Armstrong, D. M. (1989). A combinatorial theory of possibility. Cambridge University Press.
Citación estilo ChicagoArmstrong, D. M. A Combinatorial Theory of Possibility. Cambridge: Cambridge University Press, 1989.
Cita MLAArmstrong, D. M. A Combinatorial Theory of Possibility. Cambridge University Press, 1989.
Warning: These citations may not always be 100% accurate.