Graham, R. L. (1990). Ramsey theory (2an ed.). Wiley.
Citación estilo ChicagoGraham, Ronald L. Ramsey Theory. 2an ed. New York: Wiley, 1990.
Cita MLAGraham, Ronald L. Ramsey Theory. 2an ed. Wiley, 1990.
Warning: These citations may not always be 100% accurate.