Churchill, R. P. (1986). Becoming logical: An introduction to logic. St. Martin's Press.
Citación estilo ChicagoChurchill, Robert Paul. Becoming Logical: An Introduction to Logic. New York: St. Martin's Press, 1986.
Cita MLAChurchill, Robert Paul. Becoming Logical: An Introduction to Logic. St. Martin's Press, 1986.
Warning: These citations may not always be 100% accurate.