Cita APA (7th ed.)
Simon Fraser University. Cognitive Science Programme, ebrary, Inc, & Levine, R. (1992). Formal grammar: Theory and implementation. Oxford University Press.
Cita Chicago (17th ed.)
Simon Fraser University. Cognitive Science Programme, Inc ebrary, i Robert Levine. Formal Grammar: Theory and Implementation. New York: Oxford University Press, 1992.
Cita MLA (9th ed.)
Simon Fraser University. Cognitive Science Programme, et al. Formal Grammar: Theory and Implementation. Oxford University Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.